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00:00:00 You are hiking in the wild, looking for a safe place to set up your camp.
00:00:06 You only hear the leaves and branches cracking under your feet.
00:00:10 Squirrels are running in a tree over there.
00:00:12 But suddenly, something unexpected happens.
00:00:15 You notice something strange in the distance.
00:00:18 Between the trees, it looks like a concrete structure.
00:00:21 Weird.
00:00:23 At this moment, you are already 30 kilometers deep in the woods,
00:00:27 and there is no city or village nearby.
00:00:30 At least, as far as you know.
00:00:33 So you decide to go out on the beaten path with your friends to see more closely.
00:00:38 But as you get closer, you realize that there is nothing else here.
00:00:42 Hmm, what is this thing doing there, literally in the middle of nowhere?
00:00:47 And it doesn't even seem to lead to anything.
00:00:50 You put on your Sherlock Holmes cap and you start the investigation.
00:00:54 Let's see, maybe there was an old house or a mansion here,
00:00:58 which collapsed over the years and whose only thing left is this staircase.
00:01:03 But, strangely, after going around this strange structure,
00:01:07 you realize that there is no trace of ruins, or even foundation.
00:01:12 It's as if someone had cut a staircase from his house,
00:01:15 like in a cake, and had placed it here for no reason.
00:01:19 OK. Your friends and you didn't really want to get closer.
00:01:24 There is something wrong.
00:01:26 The more you look at this structure, the more you think you feel a scary presence.
00:01:31 Something tells you that you should probably leave the area, as soon as possible.
00:01:37 As weird as it may seem,
00:01:39 these discoveries of incongruous staircases hanging alone in the woods are surprisingly common.
00:01:45 Some are made of wood, others of brick or stone.
00:01:49 Some look old, while others seem to have been finished the day before.
00:01:53 The only thing they all have in common is that they lead absolutely nowhere
00:01:58 and that they are all in very mysterious places.
00:02:01 One of the most famous is in Chesterfield, in New Hampshire.
00:02:06 A long staircase with a medieval look, made of stone, with Roman vaults in the middle of the woods.
00:02:12 It is thought that it was part of Madame Antoinette Chéry's castle,
00:02:15 a Parisian singer from the crazy years.
00:02:18 This castle is said to be nearly a century old, and was rediscovered in 1962.
00:02:23 This time, there was nothing but a staircase.
00:02:27 Another old, mysterious staircase dates from 9,000 years ago.
00:02:31 It is in a forest in Italy.
00:02:33 It looks like a step that leads to a tiny platform at the top.
00:02:37 Why would it be worth building it if it leads nowhere?
00:02:41 Well, some experts think it could be some kind of tower with a ritual function,
00:02:46 but that's just a guess.
00:02:49 There is a geoid anomaly in the Indian Ocean,
00:02:52 simply known as the Indian Ocean Depression.
00:02:56 It produces the largest deforming natural gravitational force in the world.
00:03:01 The deposits of heavy minerals, the numerous pits in deep water
00:03:05 and the magma reservoirs present disturb the magnetic field of this area.
00:03:10 Earth's gravity changes in different parts of the planet.
00:03:14 This allows researchers to study certain models
00:03:17 and understand what happens under the surface.
00:03:20 Higher gravity fields generally mean that the materials are denser below and vice versa.
00:03:27 Some scientists think that the anomaly could be a crevice in the mantle of the planet
00:03:32 that goes up to the crust of the Earth.
00:03:35 The island of Nihau seems to be doing well in all modern programs.
00:03:40 There is no car because the inhabitants are walking or cycling.
00:03:44 No wonder they look fit.
00:03:46 They live without running water, without the Internet and without shops.
00:03:50 The only school on the island is powered by solar energy
00:03:54 using a power generator.
00:03:56 And what's great is that it's the only school in the state that is powered by the sun.
00:04:01 A local on the island explains some basic rules that permanent residents must follow.
00:04:06 If they break them, they can be expelled.
00:04:09 Now, not far from Bangkok, in the northeast of Thailand,
00:04:13 there is an old rock formation of 75 million years.
00:04:18 These rocks look like three whales swimming together.
00:04:22 This magnificent pattern, created by nature,
00:04:24 is now known as the Three Whale Rock.
00:04:28 Millions of years ago, this region was nothing but a desert.
00:04:32 But the Earth was changing.
00:04:34 Little by little, the ridge was spread out by the movement of tectonic plates and erosion.
00:04:39 This is how these spectacular formations were created.
00:04:43 If you decide to explore the path around the three whales,
00:04:46 you will find waterfalls, a fauna and an abundant flora.
00:04:50 Located on the peninsulas of the Yamal and the Guidane,
00:04:54 these vast pits were discovered in 2014.
00:04:57 They seem to be constantly evolving.
00:05:00 The pits are trying to expand, so that people can see them more and more often.
00:05:05 Of course, the theories about how they appeared are not lacking.
00:05:09 The hypotheses range from the impact of meteorites to the activity of ancient civilizations.
00:05:14 But the most common explanation is that it is methane that reacted to water molecules
00:05:19 after the planet's permafrost began to melt.
00:05:23 This would have caused the explosion of methane bubbles through the ice.
00:05:27 These craters could be thousands of years old, but no one is sure.
00:05:32 You find yourself in the state of New Mexico, in the small town of Taos.
00:05:36 2% of the inhabitants hear an odd buzzing in the air every day.
00:05:41 Some believe that this sound is linked in one way or another
00:05:44 to the technologies used by the messengers from other galaxies.
00:05:48 There is also a legend that something sinister is happening in the city.
00:05:53 It is rumored that Taos is cursed.
00:05:56 A bad spirit or some ghosts would punish people for a mistake made by their ancestors in the past.
00:06:02 Scientists still cannot explain the nature of this sound.
00:06:06 Another theory advances that it would be caused by the unusual acoustics of the place.
00:06:10 While others think that this buzzing is nothing but a collective hallucination.
00:06:15 Some could hear it for the simple reason that everyone talks about it,
00:06:19 and our minds would generate the illusion of a sound that does not really exist.
00:06:23 This sound is not the same for everyone.
00:06:26 For some, it is a serious vibration, for others, it is rather a buzzing.
00:06:30 But it is not the only place where you can hear these strange noises.
00:06:34 It is called "hum" and people from all over the world claim to have heard it.
00:06:39 Some inhabitants of a small village in Scotland describe it as a serious and thick buzzing.
00:06:44 While the inhabitants of Florida would also have distinguished a similar noise.
00:06:49 We do not know exactly when this phenomenon appeared,
00:06:52 but the first time the press started talking about it was in the 1970s in England.
00:06:58 In addition, there are written traces of a mysterious buzzing dating from nearly 200 years.
00:07:04 According to some estimates, only about 2% of people on the planet can hear this famous "hum".
00:07:10 Maybe their ears are catching low-frequency waves, or maybe the reason is something else.
00:07:16 A volcano in Indonesia spits out blue-hot lava and produces blue and purple electric flames.
00:07:23 This phenomenon occurs because this volcano has sulfur levels among the highest in the world.
00:07:28 It also has a rather characteristic smelly smell, but I'm wrong.
00:07:33 When sulfuric gases interact with hot and burning air,
00:07:37 they are ignited by the lava and become blue.
00:07:41 You can also find the largest acid lake in the world inside this crater.
00:07:45 Yes, this place is a real pleasure.
00:07:48 It is not for nothing that rivers and underwater lakes are called "saltwater basins".
00:07:53 High salinity makes the water that is there denser than the surrounding sea water.
00:07:58 That's why they sink to the bottom, forming rivers and lakes.
00:08:02 They even have their own waves, and these waves can sometimes hit the shore.
00:08:07 If you went down in an underwater, you would easily float on the surface of a saltwater basin.
00:08:12 But without an underwater, swimming in such an environment would be too risky.
00:08:16 It contains too much methane and toxic hydrogen sulfide.
00:08:20 Yes, I would have a good time too, but have fun.
00:08:24 The Crystal Cave in Mexico houses one of the most unique crystalline formations in the world.
00:08:30 Thanks to the extremely rare conditions that reign in the cave,
00:08:34 the crystals reach phenomenal sizes.
00:08:37 The air is incredibly humid and the water contains tons of minerals
00:08:41 that stimulate the growth of these giant milky whites.
00:08:45 Some of them are longer than telephone poles.
00:08:48 Cylindrical snowballs occur when a gust of wind
00:08:52 starts to roll snow on a snowy slope, a bit like making a snowball.
00:08:57 But if it were a ball, it would end up being too heavy for the wind to move it.
00:09:02 Except that here, the center of the snowball is hollow.
00:09:05 This happens because its inner layer is too thin and is carried away by the wind as the snowball forms.
00:09:11 And that makes the object lighter than a snowball.
00:09:14 That's also why they roll further.
00:09:17 Unfortunately, snowballs are rare because they need very precise conditions to appear.
00:09:23 The Danakil Depression in Ethiopia is probably one of the weirdest places you'll ever see.
00:09:29 It's made up of hot springs of neon colors, lava pools and vast salt expanses.
00:09:35 You have to be particularly careful there.
00:09:38 Toxic gases swirl above hydrothermal phenomena and many pools are extremely acidic.
00:09:44 So don't go swimming there. Wait at least 30 minutes after lunch.
00:09:49 No, I'm kidding.
00:09:51 And finally, there's nothing mysterious about these 28,000 rubber ducks found in the seas in 1992.
00:09:58 A boat carrying toys for the bath lost its cargo in the ocean while it was traveling from Hong Kong to the United States.
00:10:06 Some of these ducks still float there several decades later.
00:10:09 They have been spotted in South America, Alaska, Hawaii and even Australia.
00:10:15 And they still make the bath time so fun.
00:10:18 Oh, ducklings!
00:10:21 Here's John.
00:10:23 John seems to be having a bad time and all kinds of natural disasters happen wherever he goes.
00:10:29 One day, John notices that his dog is agitated.
00:10:32 The dog keeps scratching at the front door and getting agitated in the house.
00:10:36 He even tries to hide in a corner by barking and barking.
00:10:40 When the cups start to spill into the cupboard, John understands what that means.
00:10:45 The noise is produced by pre-occurring shocks, mini-earthquakes that precede the main event.
00:10:51 Earthquakes often occur in groups.
00:10:54 After a few weak earthquakes, a bigger one is likely to be in preparation.
00:10:59 Before the disaster, we can also notice some strange blue lights.
00:11:03 Some of them seem to come out of the ground, others are flying in the air.
00:11:07 These are earthquake lights.
00:11:11 They appear for a few days or a few seconds before the ground starts to shake.
00:11:15 Now, John is walking along the ocean shore.
00:11:18 Suddenly, he sees the water retreat from the beach at a lightning speed.
00:11:22 John, my friend, runs away as fast as possible and finds a point in height.
00:11:27 A tsunami is coming and your life could depend on the speed of your reaction.
00:11:32 If John spots an unexpected rise in the sea level, it could be another sign of the approach of a tsunami.
00:11:38 This happens in 40% of cases.
00:11:41 The water coming is the first wave of the tsunami.
00:11:44 The second, much, much bigger, will arrive about 10 minutes later.
00:11:48 John can also notice that the sea water is boiling, swirling and creating strange patterns.
00:11:53 It's another sign that a tsunami is coming.
00:11:57 Now, John feels like something is wrong with the sun.
00:12:03 Through his very polarized special sunglasses, he sees that irregular eruptions are happening around the star's outline.
00:12:10 If these strange rays are accompanied by aurorae all over the world, they are the sign of a solar storm.
00:12:16 These storms are generally caused by disturbances in the magnetic field of the sun.
00:12:21 In this case, the gas and radiation explosions at the surface of the sun become so massive and powerful that they can even reach our planet.
00:12:29 Fortunately, solar storms are not really dangerous for people.
00:12:33 But they can disrupt the electrical grid and even cause breakdowns.
00:12:37 The sky above John's head darkens and becomes sinisterly green.
00:12:41 Something hits him on the forehead. Ouch!
00:12:44 He picks up the object in question. It's a hail.
00:12:47 Yet it's not that cold outside and it doesn't rain.
00:12:51 Soon, he hears a noise that approaches quickly and turns into a loud roar.
00:12:56 It looks like a freight train is rushing towards him.
00:12:59 But it's not a train. It's a tornado.
00:13:02 The funnel is not visible behind a cloud of debris.
00:13:05 But John can't confuse this air column in rotation with anything else.
00:13:10 Are you on the road, John? Then get as far away from your car as possible.
00:13:14 Quick! Find a ditch, lie down in it and cover your head.
00:13:18 Are you inside? Then get away from the windows and get down to the basement if possible.
00:13:23 And please be very careful if you see conical-shaped clouds.
00:13:27 This means violent storms.
00:13:30 And if you notice that such a cloud is starting to turn on itself,
00:13:33 immediately look for shelter.
00:13:35 Immediately look for shelter.
00:13:37 The cloud is turning into a tornado under your eyes.
00:13:40 The good news is that John only has to worry about hot conical clouds,
00:13:44 because cold clouds are totally harmless.
00:13:46 The only problem is that you have to be able to determine the temperature of the cloud just by looking at it.
00:13:51 Here, John just spotted strange-shaped trees.
00:13:54 They look like the letter J and grow on a slope.
00:13:58 This means that the ground under John's feet is probably unstable.
00:14:02 If he keeps walking here, it could cause a dangerous landslide.
00:14:07 Square waves appear when two different shapes of waves collide with each other.
00:14:12 This phenomenon is rather beautiful to see, but...
00:14:14 No, don't go in the water, John.
00:14:16 Keep looking at it from the shore.
00:14:18 Cross currents at this place can easily cause even the most experienced swimmer to drown.
00:14:24 John continues to walk along the shore.
00:14:26 At some point, he sees violent and agitated waves carrying oceanic debris and algae.
00:14:31 This time, he stays out of the water.
00:14:33 He knows that this could be a sign of a strong current of return,
00:14:36 which can take a swimmer very far offshore.
00:14:39 What would you say now about a walk in the park?
00:14:42 John likes this idea.
00:14:44 The sun shines and the sky is so blue.
00:14:47 Suddenly, he sees a vertical cloud that grows rapidly.
00:14:51 At first, it looks like a bright white,
00:14:53 but as it approaches at alarming speed, it becomes dense and dark in color.
00:14:58 The sky darkens, there is wind.
00:15:01 It is then that John notices that his hair is standing on his head.
00:15:05 This is a sign that he is about to be hit by lightning.
00:15:08 At this precise moment, positive charges rise from his body.
00:15:11 They are directed towards the negatively charged part of the storm.
00:15:15 If he does not react quickly, these charges will meet.
00:15:19 There is nowhere to hide.
00:15:21 So John has to crouch down and try to make himself smaller than the objects around him.
00:15:25 Oh no, John, don't lie on the ground.
00:15:28 He can be wet and therefore be an electrician.
00:15:32 There are other signs that indicate the danger during an electric storm.
00:15:36 John's palms can start to sweat.
00:15:39 He can hear strange cracks and rumbles from nearby metal objects.
00:15:44 His skin can start to itch.
00:15:46 He can feel a strange metallic taste in his mouth.
00:15:49 In addition, it is likely that John smells chlorine, which is ozone.
00:15:55 Electric charges divide the molecules of nitrogen and oxygen,
00:15:58 which are the main gases in the atmosphere, into separate atoms.
00:16:02 When these atoms meet again,
00:16:05 some of them produce molecules made up of three oxygen atoms.
00:16:08 This is ozone.
00:16:10 John can smell it during a storm,
00:16:12 because the descending currents bring this gas from high altitudes to our level.
00:16:17 Some insects can feel a storm coming.
00:16:20 They prepare for the natural disaster by freezing.
00:16:23 So when John notices that the insects around him seem to be sleepy,
00:16:26 he knows he has to prepare.
00:16:28 Oh, and bees can predict heavy rainstorms.
00:16:31 They start working much harder the day before it starts to rain.
00:16:36 As he walks near the river during a period of heavy rain,
00:16:40 John hears a rustle.
00:16:42 He is paralyzed by fear.
00:16:44 It is probably a sudden rainstorm heading in his direction.
00:16:47 Indeed, he soon sees debris descending with the current.
00:16:51 The water quickly changes color, becoming muddy and dark.
00:16:55 Lightning storms are very dangerous.
00:16:57 So put yourself in safe, Johnny.
00:17:01 Another day, John sees a spectacular cloud wall.
00:17:04 It seems to extend for 8 kilometers.
00:17:06 In the best case, it is simply a violent storm coming.
00:17:10 But if the cloud wall starts to move in circles,
00:17:13 it is the sign of a tornado.
00:17:16 John walks on an ice field in the mountains,
00:17:19 listening to the sounds of the ice under his feet.
00:17:22 The noise is rather hollow.
00:17:24 Quick, John, check if there are cracks around your footprints.
00:17:28 If so, there is a good chance that an avalanche is about to occur.
00:17:33 Soon, John actually sees an avalanche moving in his direction.
00:17:38 He does his best to leave the slope.
00:17:41 In most cases, he could probably distance it by heading down the slope,
00:17:45 then by heading to the side.
00:17:48 But not this time.
00:17:49 He realizes that he does not have enough time and heads for the nearest tree.
00:17:53 If John hangs on very tight, the avalanche may not drag him.
00:17:57 But if it does not work, he must try to swim to the surface of the avalanche
00:18:01 while it is still moving.
00:18:03 During a beautiful summer evening,
00:18:05 John notices that leaves with flexible stems suddenly disappear.
00:18:08 Ah, it may be because of a storm to come.
00:18:11 Just before the arrival of a storm, the air usually becomes more humid,
00:18:15 the leaves also become wet and heavy, and the wind returns them easily.
00:18:20 John lives in a fairly old house and is used to seeing cracks in the inner walls.
00:18:25 But one day, he notices that some of them have widened.
00:18:29 And look, there are also some new ones.
00:18:31 It's a warning signal.
00:18:33 He lives in a very limestone region,
00:18:35 so new cracks can mean that a gulf is about to open next to his house.
00:18:40 John hurries home, trying not to waste time admiring the clouds.
00:18:45 It seems straight from a science fiction movie.
00:18:48 They form when hot and humid air is caught in a stormy current.
00:18:52 And these bad weather clouds mean that a storm is preparing.
00:18:58 Hey, have you ever seen a fire rainbow?
00:19:02 Yeah, me neither.
00:19:04 And a circumhorizontal arc.
00:19:06 I don't think so, but just so you know, it's the same thing.
00:19:10 At first glance, it looks like a painting,
00:19:12 or a big rainbow-colored trace in the sky.
00:19:15 Despite their name, they have nothing in common with fire or rain.
00:19:19 This phenomenon occurs on rare occasions
00:19:22 when the sun shines through a certain formation of clouds loaded with ice.
00:19:26 Rainbow-colored halos are just as unique.
00:19:30 Again, a specific type of ice crystal must be present in the clouds
00:19:35 so that the Earth's surface curves the sun's light into a perfect ring.
00:19:39 The same thing can happen with the moon's light.
00:19:42 The only difference is that lunar halos are generally white
00:19:46 and that solar halos can be rainbow-colored.
00:19:50 When you visit high-altitude regions,
00:19:53 you can be one of the few lucky ones to see snow penitents.
00:19:57 They are actually ice peaks naturally formed.
00:20:01 To form them, you need a really cold environment,
00:20:04 at a height, and where the air is dry.
00:20:07 The sun's light directly transforms the ice into steam
00:20:10 rather than melting it into water.
00:20:12 And that's why these blades of snow and ice
00:20:14 start to appear on the surface of the Earth.
00:20:17 As graceful as they may be,
00:20:19 they can reach a height of nearly 5 meters.
00:20:22 What happens when small droplets of lava meet the wind?
00:20:26 Well, that's what's called "hair of hair".
00:20:29 Let me explain.
00:20:31 The word "hair" comes from the ancient Hawaiian goddess of volcanoes.
00:20:34 Every time the wind carries small drops of lava,
00:20:37 it stretches them to form braids similar to hair,
00:20:40 a bit like in the process of creating a glass thread.
00:20:43 These delicate braids can stretch up to 2 meters.
00:20:47 On rare occasions, it can rain without any clouds,
00:20:51 but is it really rain?
00:20:53 Let's examine the scientific aspects of this rare phenomenon.
00:20:56 It is sometimes called a "sunburst",
00:20:59 because it seems like the rain falls straight from our star.
00:21:02 But let's be clear, it is impossible for rain to fall directly from the sun.
00:21:07 Rain clouds are at a certain distance from where it rains.
00:21:11 When the sun's rays are oriented in a certain way,
00:21:14 the clouds are out of sight.
00:21:16 Add a little wind to blow the rain in your direction,
00:21:19 and abracadabra!
00:21:21 You get sunbursts in the sun.
00:21:24 In Bolivia, there is a place called the Salar de Uyuni.
00:21:28 It is the largest salt desert in the world,
00:21:30 measuring about 10,580 square kilometers.
00:21:34 It is also where half of the planet's lithium is located,
00:21:37 a crucial element in the manufacture of batteries.
00:21:40 But what else is so special about this place?
00:21:43 Every time the rainy season arrives,
00:21:45 it turns this flat land into a perfectly reflective mirror lake.
00:21:50 What comes to mind when you hear about "blood waterfall"?
00:21:54 A horror movie?
00:21:56 Well, it's just a series of waterfalls
00:21:59 located in one of the driest regions of Antarctica.
00:22:02 They emerge from an underground lake filled with a certain type of bacteria.
00:22:06 These small organisms use sulfates as nutrients instead of sugar,
00:22:11 which makes them fascinating for scientists.
00:22:13 The water in this lake is so saturated with iron
00:22:16 that it simply rusts in contact with the air,
00:22:19 hence the reddish color of the waterfall, which is worth its name.
00:22:23 OK, we all know the song "Sting's Desert Rose",
00:22:26 but it's not entirely illusory.
00:22:28 There is indeed a thing called the "sand rose".
00:22:32 It is not a plant, but a unique formation of gypsum.
00:22:35 It grows in dry and sandy places,
00:22:38 which can occasionally be flooded.
00:22:40 This constant passage between a wet and dry environment
00:22:44 allows the gypsum crystals to emerge between the sand grains,
00:22:47 imprisoning them in a rose shape.
00:22:49 Have you ever heard of the "Eye of Africa"?
00:22:52 Scientists are always trying to understand how it was formed.
00:22:55 You can only see it if you fly over it,
00:22:58 but it is actually a natural dome.
00:23:00 Richard's structure was formed about 100 million years ago.
00:23:04 And no, I was not there at the time.
00:23:07 It is approximately 40 km in diameter
00:23:10 and consists of several concentric rings.
00:23:13 The largest, or the central zone, measures about 30 km in diameter.
00:23:17 Astronauts were among the first to notice it,
00:23:21 and it has been studied extensively since.
00:23:24 Even today, when astronauts land in Florida,
00:23:27 they know they are almost home when they see the "Eye of Africa".
00:23:31 One of the most beautifully colored trees in the world
00:23:34 is found in the Philippines and Indonesia.
00:23:37 It is called the "rainbow eucalyptus".
00:23:40 It owes its name to its bark, which changes color
00:23:43 and detaches as the tree ages.
00:23:46 The greenish-green bark is the youngest,
00:23:48 because it is full of chlorophyll,
00:23:50 which is usually found in the leaves.
00:23:52 It then turns purple, then red.
00:23:55 Finally, it turns brown as it grows and loses its chlorophyll.
00:23:59 Don't get the illusion that there is a whole forest here.
00:24:03 In fact, it is a single tree.
00:24:05 And no, it is not a kind of optical illusion either.
00:24:08 Let me explain.
00:24:10 Under the Earth, there is a complex network of roots
00:24:13 that connects about 47,000 trees that emerge from the ground.
00:24:16 It is called the "false-trembling poplar".
00:24:19 Some of these trees are among the oldest and largest organisms in the world.
00:24:24 This is a good destination for all travelers.
00:24:27 Well, maybe not so good, actually.
00:24:30 The area most frequently affected by lightning in the world,
00:24:33 according to recent data published by NASA,
00:24:35 is Lake Maracaibo in Venezuela.
00:24:38 On average, every day of the year,
00:24:40 300 storms occur in this area.
00:24:43 But what makes this region so unique
00:24:45 that storms occur so often?
00:24:48 Well, it is because it is there that the cool air of the mountains
00:24:51 meets the hot and humid breeze of the lake,
00:24:53 which generates electricity above it.
00:24:56 The "Eternal Flame" falls are located in northern New York,
00:25:00 near the Canadian border.
00:25:02 In this region, there is a tiny waterfall
00:25:05 that houses a great secret,
00:25:07 a fireball about 20 cm high.
00:25:10 It turns out that a natural gas leak
00:25:12 feeds the flame behind this waterfall.
00:25:15 The waterfall, for its part, provides enough cover
00:25:18 for it to remain on for about all the time.
00:25:21 Hikers like to turn it back on if they see that it is off.
00:25:24 This phenomenon is quite common,
00:25:26 but this example has gained popularity
00:25:28 because it is more recent than most.
00:25:31 And it is very beautiful in the photos, let's be honest.
00:25:34 I have heard of yellow sand, white sand,
00:25:37 and even black sand here and there,
00:25:39 but I had never heard of green beaches until now.
00:25:43 Papacoela, also known as Greensand Beach,
00:25:46 is located in Hawaii,
00:25:48 and it is one of the few beaches in the world
00:25:50 to present green sand.
00:25:52 This unique colour comes from the olivine rock
00:25:55 that formed during the eruption of a nearby volcano.
00:25:58 And to be honest, in Hawaii,
00:26:00 it is not the volcanoes that are missing.
00:26:02 Forget about the green sand,
00:26:04 because some other beaches in the world
00:26:06 can even shine at night,
00:26:08 and it is completely natural.
00:26:10 The responsible for it is a small thing
00:26:12 called phytoplankton, or microalgae,
00:26:14 as they are sometimes called.
00:26:16 They are actually small plants
00:26:18 that contain chlorophyll and need sunlight
00:26:20 to develop.
00:26:22 Most types of phytoplankton
00:26:24 are able to float in the upper part of the ocean,
00:26:26 where sunlight can still reach them underwater.
00:26:29 When the phytoplankton is shaken
00:26:31 by the movement of waves and currents,
00:26:33 it emits light,
00:26:35 which gives the impression that some shine at night.
00:26:37 These particular microorganisms
00:26:39 can be found on the beaches of many places in the world,
00:26:42 such as the Maldives, Puerto Rico and the Everglades.
00:26:45 At the foot of a mountain
00:26:47 located near Afton in Wyoming,
00:26:49 there is a small river
00:26:51 called the "Intermittent Source".
00:26:53 There are only a few of them in the world.
00:26:55 But what makes this little stream of water so mysterious?
00:26:58 Maybe the fact that it starts and stops
00:27:00 every few minutes.
00:27:02 Scientists have not yet found
00:27:04 the precise reason for this phenomenon.
00:27:06 They think it is simply a siphon effect
00:27:08 that occurs in the depths of the ground
00:27:10 and that makes the river start and stop frequently.
00:27:13 If you want to take a look at it,
00:27:15 make sure you do it at the end of summer,
00:27:17 because it is at this time
00:27:19 that the intermittent source is the most active.
00:27:21 Well, for once,
00:27:23 it's just a way of speaking.
00:27:25 Rocks that swallow the slopes of a volcano in an eruption,
00:27:29 which grow other larger rocks on their way,
00:27:32 and which end up falling into the ocean
00:27:34 in a huge waterfall,
00:27:36 causing a wave of a height never seen before.
00:27:39 This is what could happen
00:27:41 if the Illina Slump of the great island of Hawaii
00:27:43 fell into the water.
00:27:45 But the volcano Kilauea is far from being asleep.
00:27:48 The last eruption took place in 2018.
00:27:51 These eruptions are generally accompanied
00:27:53 by earthquakes of different magnitudes.
00:27:55 And at each earthquake,
00:27:57 the magma rocks on the slopes of the volcano
00:27:59 move down.
00:28:01 These rock formations are called slumps,
00:28:03 and the Illina Slump is the best known of them.
00:28:06 In 1868, the collapse of this slump
00:28:09 caused a tidal wave of 18 meters high.
00:28:12 But the most disturbing thing is that,
00:28:14 about 110,000 years ago,
00:28:16 a landslide caused one of the most powerful
00:28:18 earthquakes ever recorded,
00:28:20 which in turn caused a mega-tsunami
00:28:23 of more than 300 meters high.
00:28:25 Scientists fear that such an event
00:28:27 will not happen again in the future.
00:28:29 If it did,
00:28:31 the wave could swallow the whole of Hawaii
00:28:33 and easily reach the coasts of North and South America.
00:28:36 Geologists are in no hurry to reassure people
00:28:39 by explaining that such a landslide
00:28:41 is unlikely in the near future.
00:28:43 It's just too early for that.
00:28:45 But when it happens,
00:28:47 the consequences will be catastrophic.
00:28:49 Have a good day.
00:28:51 Yellowstone National Park,
00:28:53 in the west of the United States,
00:28:55 is famous worldwide for its dazzling landscapes,
00:28:57 and in particular for the Grand Prismatic Spring,
00:29:00 which is located in its heart.
00:29:02 But we must all be aware
00:29:04 that Yellowstone is above all a huge caldera,
00:29:07 in fact, a super-sleeping volcano.
00:29:10 The difference between an ordinary volcano,
00:29:12 like the Kilauea of old,
00:29:14 and a super-volcano,
00:29:16 is that the latter is thousands of times more powerful.
00:29:19 Imagine an eruption spitting out tons of huge rocks
00:29:22 and rivers of lava in fusion,
00:29:24 pumping out ashes clouds
00:29:26 that make countries stop air travel for weeks.
00:29:29 And now, multiply all this by a thousand.
00:29:32 This is what an eruption in Yellowstone would look like.
00:29:35 At first, a huge area in the middle of the National Park
00:29:38 would shake, collapse,
00:29:40 and then be propelled upwards
00:29:42 in an explosion of several megatons.
00:29:44 Lava flows and magmatic rocks
00:29:46 would cover an area of about 100 square kilometres,
00:29:49 which is half of Washington DC.
00:29:51 But the biggest danger is volcanic ash.
00:29:54 The ash panache would rise to kilometres above
00:29:57 and be carried away by the wind in all directions.
00:30:00 As the eruption would be far from ordinary,
00:30:03 the distance of propagation and the damage
00:30:06 would also be much greater than usual.
00:30:09 The ash is thick and heavy,
00:30:11 so that it would cover a vast area,
00:30:13 destroying crops and even buildings.
00:30:15 Worse still, it would spread in the air
00:30:17 and block the sun,
00:30:19 causing a drastic drop in temperature
00:30:21 and an artificial winter.
00:30:23 Even regular volcanoes can lower
00:30:25 global temperatures by a few degrees.
00:30:28 A super-volcano could potentially
00:30:30 cause a new ice age.
00:30:32 Fortunately, the chances of a super-volcano
00:30:35 erupting in the near future
00:30:37 or even far away are extremely low.
00:30:39 There have only been three in the history of the Earth,
00:30:42 and nothing indicates that such a disaster
00:30:44 should occur again.
00:30:46 Scientists estimate the probability
00:30:48 at 0.00014%,
00:30:50 which is less than the chance
00:30:52 that an asteroid would destroy us all.
00:30:55 Speaking of which,
00:30:57 if dinosaurs could talk,
00:30:59 and if they were alive,
00:31:01 they would say that the threat of asteroids
00:31:03 is quite real.
00:31:05 NASA scientists claim to have followed
00:31:07 90% of all major geocruiser asteroids,
00:31:10 and none of them is worrying.
00:31:12 But there are still 10% left.
00:31:14 In addition, asteroids can change their trajectory
00:31:17 due to the attraction exerted by other celestial bodies
00:31:20 and end up heading towards us.
00:31:22 What a chance!
00:31:24 If a fairly large asteroid,
00:31:26 of the order of 1.6 km,
00:31:28 touches the Earth,
00:31:30 it will cause a powerful explosion
00:31:32 that will raze a dozen major cities
00:31:34 in a matter of seconds.
00:31:36 Then, the impact will raise a cloud of dust and debris
00:31:39 that will block the Sun,
00:31:41 just like the cloud of ash of a volcano,
00:31:43 and will cause a winter of several centuries
00:31:45 on the entire planet.
00:31:47 But even if it falls into the ocean,
00:31:49 which is more likely,
00:31:51 the resulting wave will rise several km high,
00:31:53 sweeping coastal cities
00:31:55 from the surface of the planet.
00:31:57 But at least there will be no new ice age.
00:31:59 We are almost certain that such a threat
00:32:01 does not exist in the near future.
00:32:03 We cannot exclude it completely.
00:32:05 And humanity needs at least 5 years
00:32:07 to prepare for this event.
00:32:09 If a large asteroid close to the Earth
00:32:11 suddenly changes its trajectory
00:32:13 and heads straight for our planet,
00:32:15 we will have no chance against it.
00:32:17 A disaster movie, anyone?
00:32:19 A much more probable calamity, however,
00:32:21 lies just under our feet.
00:32:23 It is the fault of San Andreas,
00:32:25 in California.
00:32:27 It has been on the verge of collapse
00:32:29 for years now,
00:32:31 and scientists estimate that such a quake
00:32:33 is likely to occur in the next three decades.
00:32:35 And when it does,
00:32:37 it will not be easy to predict.
00:32:39 It is expected to be as large as 8,
00:32:41 which is comparable to some of the most devastating
00:32:43 quakes in history.
00:32:45 It is all the more dangerous
00:32:47 that California houses some of the most populated cities
00:32:49 in the west of the United States,
00:32:51 including Los Angeles and San Francisco.
00:32:53 High-rise buildings are common there,
00:32:55 but they are particularly vulnerable
00:32:57 to an earthquake.
00:32:59 The San Andreas earthquake
00:33:01 could cause a lot of damage in cities and countrysides.
00:33:03 In the worst case,
00:33:05 the ground could break,
00:33:07 destroying buildings, farms,
00:33:09 and completely changing the landscape.
00:33:11 However, scientists believe
00:33:13 that the probability of such an earthquake
00:33:15 is only 7% for the next 30 years.
00:33:17 So there is a good chance,
00:33:19 93%,
00:33:21 that we will never see it in our lifetime.
00:33:23 However, there is another risk
00:33:25 of an earthquake not so far from the previous one,
00:33:27 the Chilean mega-earthquake.
00:33:29 The country is just above
00:33:31 the subduction zone,
00:33:33 an area where two tectonic plates
00:33:35 meet and overlap.
00:33:37 At the meeting point,
00:33:39 the tension accumulates
00:33:41 due to their continuous movement.
00:33:43 And once this tension is too strong,
00:33:45 a major earthquake occurs.
00:33:47 Chile has experienced many earthquakes
00:33:49 in recent years,
00:33:51 but they are not the preparatory
00:33:53 for an earthquake of a much larger scale.
00:33:55 They think that a major earthquake
00:33:57 is expected before the end of the century,
00:33:59 and that it could be devastating
00:34:01 for the coastal area.
00:34:03 Even smaller earthquakes
00:34:05 have caused tsunamis
00:34:07 that have flooded the west coast,
00:34:09 and a huge earthquake like this
00:34:11 is likely to raise a wave
00:34:13 of an incredible height.
00:34:15 The positive side is that Chile
00:34:17 now knows that it must prepare
00:34:19 for a natural disaster.
00:34:21 And geologists are almost sure
00:34:23 that people will be able to evacuate
00:34:25 before the earthquake strikes.
00:34:27 In September 1859,
00:34:29 astronomer Richard Carrington
00:34:31 looked at the sun when he suddenly
00:34:33 saw a luminous eruption on its surface.
00:34:35 He took note of it,
00:34:37 but only realized the importance
00:34:39 of this eruption a few days later.
00:34:41 The energy of this eruption reached the Earth
00:34:43 and hit it directly,
00:34:45 causing the appearance of aurora borealis
00:34:47 along the lines of the telegraph
00:34:49 all over the world.
00:34:51 This is what we called the Carrington event,
00:34:53 a solar storm.
00:34:55 Such storms hit the Earth quite often,
00:34:57 but none were as powerful
00:34:59 as the Carrington event,
00:35:01 neither before nor after.
00:35:03 But in 2012, astronomers recorded
00:35:05 a similar solar eruption
00:35:07 whose energy almost hit our planet
00:35:09 once again.
00:35:11 If it had taken place a week earlier,
00:35:13 we would have had big problems.
00:35:15 Electricity would have been cut off
00:35:17 in almost every aspect of life,
00:35:19 and a powerful solar storm would have
00:35:21 greatly disrupted the Earth's electromagnetic field.
00:35:23 All electrical devices would stop
00:35:25 or short-circuit,
00:35:27 and the huge transformers
00:35:29 that power almost everything
00:35:31 would go out of order.
00:35:33 It would take years to repair them,
00:35:35 and the cost of such a massive breakdown
00:35:37 would be billions of dollars.
00:35:39 The worst part is that science
00:35:41 is almost unable to predict solar storms,
00:35:43 so let's not stop them.
00:35:45 The eruption happens in a few seconds,
00:35:47 and it takes about 8 minutes
00:35:49 for the particles to reach the Earth's atmosphere,
00:35:51 causing disturbances.
00:35:53 The power outage would occur a little later,
00:35:55 in a day or two,
00:35:57 when a massive plasma cloud
00:35:59 would reach our planet.
00:36:01 For now, there is no protection
00:36:03 against solar eruptions,
00:36:05 and the chances that there is a powerful enough one
00:36:07 to cut off all our electricity in the next few years
00:36:09 are quite high, around 12%.
00:36:11 The only positive point in all of this
00:36:13 is that we now know this possibility,
00:36:15 and that we can at least
00:36:17 prepare for it in advance.
00:36:19 Don't forget to take underwear and socks,
00:36:21 it's always useful.
00:36:23 Tsunami of Boxing Day, Indonesia.
00:36:31 An earthquake in the underwater
00:36:33 starts in the morning.
00:36:35 These earthquakes cause a series of tsunami waves.
00:36:37 The largest reaches the height
00:36:39 of the Great Pyramid of the Sun,
00:36:41 and the biggest ones are in the South.
00:36:43 The biggest tsunami of the Volcano Hunzen.
00:36:45 A powerful volcanic eruption triggers
00:36:47 a landslide from a lava dome
00:36:49 4,000 years old.
00:36:51 It crosses the city of Shimabara
00:36:53 and reaches the sea, triggering a mega-tsunami.
00:36:55 Mega-tsunami of the Valle Ante Dam, Italy.
00:36:57 A landslide causes
00:36:59 255 million cubic meters of forest,
00:37:01 land and rocks in the lake.
00:37:03 A dark water wall obscures the sky
00:37:05 above a small village at the foot of the Valle Ante Dam.
00:37:07 Then, in a deafening roar,
00:37:09 the wave crosses the edge of the dam
00:37:11 and takes everything on its way.
00:37:13 Mega-tsunami of Mount St. Helene, United States.
00:37:15 The upper part of Mount St. Helene
00:37:17 collapses, triggering a huge landslide.
00:37:19 A part of this avalanche
00:37:21 plunges into Lake Spirit.
00:37:23 It pushes the lake's waters into a series of waves
00:37:25 almost as high as the Eiffel Tower.
00:37:27 Tsunami of the Lithuania Bay, Alaska.
00:37:29 A landslide caused by an earthquake
00:37:31 creates a mega-wave.
00:37:33 It rises over the cape
00:37:35 and takes away the trees, plants and soil
00:37:37 to the rocky substrates.
00:37:39 Molokai, Hawaii.
00:37:41 A third of the Molokai Volcano
00:37:43 collapses in the Pacific Ocean.
00:37:45 This causes a tsunami the size of the second largest
00:37:47 building in the world, the Shanghai Tower.
00:37:49 The waves reach Mexico and California.
00:37:51 Tsunami of the Yucatan Asteroid.
00:37:53 The asteroid, which would have
00:37:55 destroyed the dinosaurs,
00:37:57 hits the Yucatan Peninsula.
00:37:59 It creates a mega-tsunami,
00:38:01 the largest in the history of the Earth.
00:38:03 The wave is almost twice as big as the tallest
00:38:05 building in the world, the Burj Khalifa.
00:38:07 Hurricane Mitch.
00:38:09 Mitch is formed in the western part of the Caribbean Sea.
00:38:11 It quickly becomes stronger
00:38:13 to become the eighth most powerful hurricane in the Atlantic.
00:38:15 The storm pours 10 cm of rain
00:38:17 per hour for two days
00:38:19 in Honduras.
00:38:21 It causes terrible mudslides and floods.
00:38:23 Hurricane Helen.
00:38:25 With extreme power,
00:38:27 the storm is one of the few to reach Category 5,
00:38:29 the highest possible.
00:38:31 It causes more than 2 billion dollars in damage.
00:38:33 The Great Hurricane.
00:38:35 After being hit by the storm,
00:38:37 the storm continues its devastating route.
00:38:39 It tears the bark of the trees growing in Martinique
00:38:41 and St. Lucie and spreads further.
00:38:43 This terrible natural disaster
00:38:45 lasts six days.
00:38:47 Hurricane Dorian.
00:38:49 It is the most powerful tropical cyclone to have hit the Bahamas.
00:38:51 The hurricane rips up most
00:38:53 of the structures on its islands and takes them
00:38:55 into the sea.
00:38:57 Hurricane Vilma.
00:38:59 It is the strongest hurricane in the Caribbean
00:39:01 near Jamaica and heads west.
00:39:03 Two days later, it gains enough power
00:39:05 to become the most intense hurricane
00:39:07 ever recorded in the Atlantic Ocean.
00:39:09 Hurricane Patricia.
00:39:11 A regular storm develops a well-defined eye
00:39:13 and becomes a Category 5 hurricane
00:39:15 in 24 hours only.
00:39:17 At one point, it moves faster than a Ferrari
00:39:19 at its maximum speed.
00:39:21 This makes Patricia the most intense tropical cyclone
00:39:23 ever recorded in the world.
00:39:25 Earthquake of Kamchatka.
00:39:27 It occurs in the early morning
00:39:29 130 km from the coast of Kamchatka.
00:39:31 The earthquake causes a tsunami.
00:39:33 The first two waves are catastrophic
00:39:35 up to 18 meters high.
00:39:37 The third is much weaker.
00:39:39 Earthquake of Valparaiso, Chile.
00:39:41 It occurs around 5 a.m.
00:39:43 at the limit of two tectonic plates.
00:39:45 The tsunami triggered by the earthquake
00:39:47 destroys 1,000 km from the Chilean coast.
00:39:49 Earthquake of Tohoku, Japan.
00:39:51 The first earthquakes
00:39:53 begin at a depth under water.
00:39:55 The earthquake is so strong
00:39:57 that it moves the main island of Japan.
00:39:59 It also moves the entire planet
00:40:01 25 cm on its axis
00:40:03 and increases its rotation speed.
00:40:05 The disaster also triggers a tsunami
00:40:07 with waves 40 m high
00:40:09 moving at a distance of 10 km
00:40:11 within the Earth.
00:40:13 Earthquake in the Indian Ocean, Sumatra.
00:40:15 A rupture along two tectonic plates
00:40:17 triggers an earthquake submarine.
00:40:19 It starts around 8 a.m.
00:40:21 near the north of Sumatra, Indonesia.
00:40:23 It moves the planet 1 cm
00:40:25 and triggers earthquakes
00:40:27 all over the world, up to Alaska.
00:40:29 Earthquake on Friday, Alaska.
00:40:31 The strongest earthquake recorded
00:40:33 in North America lasts 4 minutes and 38 seconds.
00:40:35 A 1,000 km long rupture
00:40:37 causes terrible landslides
00:40:39 and an 8 m high tsunami.
00:40:41 The areas located 300 km away
00:40:43 are 10 m high.
00:40:45 Other places are 2.5 m high
00:40:47 permanently.
00:40:49 Valdivia, Chile.
00:40:51 The Chilean landslides start in the afternoon
00:40:53 and last no less than 10 minutes.
00:40:55 The disaster hits an area the size of California.
00:40:57 It triggers tsunamis
00:40:59 reaching the coasts of Hawaii, Japan,
00:41:01 the Philippines, Australia and New Zealand.
00:41:03 An average tornado usually lasts
00:41:05 less than 10 minutes, but there are exceptions.
00:41:07 El Reno tornado.
00:41:09 It is considered the largest tornado in the world
00:41:11 if we base it on its width.
00:41:13 At its peak, it reached a diameter of 4 km.
00:41:15 Perryville tornado, United States.
00:41:17 It occurs around 2 a.m.
00:41:19 and starts by knocking down trees
00:41:21 and destroying stone buildings.
00:41:23 Then the tornado gets stronger.
00:41:25 It tears down two-story buildings,
00:41:27 takes away and makes cars fly
00:41:29 as if they were toys.
00:41:31 Bridge Creek Moore tornado.
00:41:33 When the tornado hits Bridge Creek,
00:41:35 its width is at its maximum,
00:41:37 1.5 to 2.5 km.
00:41:39 The wind speed in the tornado
00:41:41 reaches more than 450 km/h.
00:41:43 This natural disaster causes
00:41:45 a billion dollars in damage.
00:41:47 Canada tornado.
00:41:49 An exceptional tornado rages for nearly 3 hours.
00:41:51 It breaks hundreds of trees and electric poles,
00:41:53 damages roads and farms,
00:41:55 but miraculously saves every city on its way.
00:41:57 Tristate tornado, United States.
00:41:59 The longest tornado in the world
00:42:01 travels 350 km across Missouri,
00:42:03 Illinois and Indiana.
00:42:05 The average trajectory of a tornado
00:42:07 does not exceed 8 km.
00:42:09 Tupelo Gainesville, United States.
00:42:11 A complex system of at least 12 individual tornadoes
00:42:13 destroys everything on its way.
00:42:15 Tornadoes also trigger
00:42:17 severe sudden floods,
00:42:19 which further aggravate the situation.
00:42:21 Vallejonte slide, Italy.
00:42:23 At 10 p.m., a slide of land
00:42:25 of a volume equivalent to that of 100
00:42:27 large pyramids of Giza
00:42:29 detaches from the top of Mount Toc.
00:42:31 It falls into the reservoir of the Vallejonte dam,
00:42:33 producing a tsunami wave
00:42:35 higher than the Golden Gate Bridge in San Francisco.
00:42:37 Yunnan, China.
00:42:39 An avalanche of rocks, stones and mud,
00:42:41 so thick that it could fill the port of Sydney,
00:42:43 forms a dam on the Jincha River.
00:42:45 Hida River, Japan.
00:42:47 Following a storm,
00:42:49 the equivalent of 300,000 Olympic pools
00:42:51 of debris flow before being stopped
00:42:53 by another slide of land earlier.
00:42:55 During the road, the slide takes
00:42:57 two buses off the road.
00:42:59 Peru. A flood makes a dam
00:43:01 in the Mandataro River, a long river
00:43:03 crossing the center of Peru.
00:43:05 The whole process does not take more than 3 minutes,
00:43:07 which means that the flow moves at a speed
00:43:09 reaching 140 km / h.
00:43:11 It also leaves a drain of debris
00:43:13 8 km long.
00:43:15 Soi Dam, Tajikistan.
00:43:17 Caused by an earthquake of magnitude 7.4,
00:43:19 the quake falls into the Murghab River
00:43:21 and blocks its flow.
00:43:23 This is how the Soi Dam appears,
00:43:25 one of the highest in the world.
00:43:27 Mount Saint-Helene, United States.
00:43:29 At 8.30, a disastrous earthquake
00:43:31 slides the entire northern face of Mount Saint-Helene.
00:43:33 It is the largest landslide recorded in the world.
00:43:35 It uncovers a volcanic chimney
00:43:37 and causes a catastrophic eruption.
00:43:39 North Bonneville, United States.
00:43:41 In the middle of the 15th century,
00:43:43 a major earthquake occurs.
00:43:45 An incredible amount of debris
00:43:47 has been precipitating since Table Mountain.
00:43:49 It covers more than 13 square kilometers
00:43:51 and blocks the Columbia River
00:43:53 with a dam 61 meters high
00:43:55 and 6 kilometers long.
00:43:57 In the heart of a dense forest,
00:43:59 a person takes a hike in the forest,
00:44:01 plunging into the mysterious depths
00:44:03 of this wild nature.
00:44:05 But it is not an ordinary walk
00:44:07 through the woods.
00:44:09 It will quickly take a strange turn,
00:44:11 not to say frankly disturbing.
00:44:13 Our protagonist,
00:44:15 a glow of audacity in the eye,
00:44:17 discovers a terrier hidden in the shade.
00:44:19 Curiosity takes him
00:44:21 on the fear,
00:44:23 and our explorer approaches it.
00:44:25 It is not any terrier,
00:44:27 it is a fox.
00:44:29 And if it was a bad idea,
00:44:31 and it was better to run away.
00:44:33 [Heartbeat]
00:44:37 During the happy spring season,
00:44:39 when nature is animated by a vibrant energy,
00:44:41 foxes always pursue
00:44:43 the complex cycle of life.
00:44:45 It is at this time that foxes
00:44:47 seek the comfort of their underground sanctuary.
00:44:49 The rest of the year,
00:44:51 when the world around is luxurious,
00:44:53 the fox prefers to lean
00:44:55 against the sun
00:44:57 and spend all his time on the surface,
00:44:59 except when the weather is bad.
00:45:01 It is in the most unfavorable conditions
00:45:03 that he takes refuge in his terrier,
00:45:05 sheltered from the storms.
00:45:07 [Music]
00:45:09 These fox terriers
00:45:11 usually only have a few entrances,
00:45:13 sometimes covered with dirt
00:45:15 and scattered debris.
00:45:17 During the winter months,
00:45:19 foxes go digging with diligence
00:45:21 new galleries,
00:45:23 in anticipation of the spring to come.
00:45:25 Sometimes, among the remains
00:45:27 of their underground journey,
00:45:29 a dead fox is found,
00:45:31 witnessing the endless cycle of existence
00:45:33 within these complex underground networks.
00:45:35 [Music]
00:45:37 If we explore the surroundings
00:45:39 of a fox terrier,
00:45:41 we will notice fresh traces
00:45:43 of meals outside the terriers
00:45:45 during the months of April to June.
00:45:47 It is at this time,
00:45:49 when the foxes have played in the north,
00:45:51 the forest of their presence,
00:45:53 that we can find remains of their feasts,
00:45:55 a sign of this new life that is developing.
00:45:57 [Music]
00:45:59 [Music]
00:46:01 What do these terriers look like?
00:46:03 After all,
00:46:05 they are not the only animals
00:46:07 who see dens in the forest.
00:46:09 Let's get down to business.
00:46:11 Fox terriers,
00:46:13 impenetrable remains of these spying beings,
00:46:15 are generally located in areas
00:46:17 where the greenery is abundant.
00:46:19 These animals can hide under the branches
00:46:21 of a tree or take refuge
00:46:23 under massive rocks.
00:46:25 If you have a well-fed fox
00:46:27 that seems to be cut to size for a fox
00:46:29 and that you smell this incomparable aroma
00:46:31 accompanied by other revealing clues
00:46:33 like scattered bones,
00:46:35 it is that you have probably
00:46:37 discovered a fox den.
00:46:39 [Music]
00:46:41 [Music]
00:46:43 Alas, my curious friend,
00:46:45 there is no infallible recipe
00:46:47 to know where these canid rusees
00:46:49 choose to set up their den.
00:46:51 They have an amazing ability
00:46:53 to adapt to different environments,
00:46:55 whether it is open meadows,
00:46:57 dense forests or even
00:46:59 the pitiful tundra.
00:47:01 [Music]
00:47:03 Imagine a little,
00:47:05 the terrier of a fox
00:47:07 consists of at least four or five parts.
00:47:09 There is the main entrance,
00:47:11 the access tunnel,
00:47:13 the main den and a secret room
00:47:15 that serves as a food reserve.
00:47:17 Depending on the size of the den,
00:47:19 there may be additional rooms
00:47:21 that are not as large as the den.
00:47:23 [Music]
00:47:25 Now visualize the opening
00:47:27 of the den of a fox.
00:47:29 The entrance and the access tunnel
00:47:31 form a corridor
00:47:33 that goes down from one to three meters underground,
00:47:35 connecting the outside world
00:47:37 to the den that is there.
00:47:39 Ah, but that's not all.
00:47:41 Foxes, as warned administrators,
00:47:43 store all the treasures
00:47:45 they have found in their den.
00:47:47 Yes, they have their own food cache
00:47:49 where they hide all these delicious finds.
00:47:51 The number of rooms in the den
00:47:53 can vary depending on the size of the den
00:47:55 because these rusted animals
00:47:57 make sure there is enough space
00:47:59 to put down and raise
00:48:01 their adorable marmalade.
00:48:03 They can even dig additional tunnels
00:48:05 and create other entrances
00:48:07 in case the need
00:48:09 would make them feel.
00:48:11 Let's now talk about culinary affairs.
00:48:13 Foxes are warned gourmets
00:48:15 who stock a large amount of food,
00:48:17 ready to face the winter
00:48:19 and the season of love.
00:48:21 However, they are not hoarders.
00:48:23 They usually put aside
00:48:25 just what they need for the times to come,
00:48:27 since they do not have the chance
00:48:29 to find a fresh prey every day.
00:48:31 Bays and fruits
00:48:33 often guard their food,
00:48:35 while these delectable carcasses
00:48:37 are at the center of their gastronomic menu.
00:48:39 [Music]
00:48:41 Are you curious to know
00:48:43 if fox burrows
00:48:45 are close to each other?
00:48:47 If the earth was rich in food
00:48:49 and fresh water,
00:48:51 you can sometimes find two or three burrows
00:48:53 in a radius of 25 square kilometers.
00:48:55 However, if resources are scarce,
00:48:57 you may have to
00:48:59 extend your search
00:49:01 to a radius of 50 square kilometers
00:49:03 to find a burrow.
00:49:05 [Music]
00:49:07 But the adventure does not end there.
00:49:09 Foxes, loyal to their
00:49:11 foggy nature, often have several burrows.
00:49:13 They keep their main burrow,
00:49:15 often called "native burrow",
00:49:17 and the sentimental value
00:49:19 that goes with it.
00:49:21 In addition, they keep a rescue burrow
00:49:23 to face unexpected circumstances.
00:49:25 Let's not forget either
00:49:27 their ability to appropriate
00:49:29 or borrow abandoned burrows.
00:49:31 They are smart little ones, aren't they?
00:49:33 [Music]
00:49:35 Let's now talk about these wonderful animals.
00:49:37 Foxes are classified
00:49:39 into a multitude of species,
00:49:41 variations, and sizes
00:49:43 scattered throughout the planet.
00:49:45 But the star is the red fox,
00:49:47 which can be found on all continents,
00:49:49 except for the Antarctic glaciers.
00:49:51 [Music]
00:49:53 If most foxes
00:49:55 prefer the tranquility of rural landscapes,
00:49:57 don't be surprised
00:49:59 to see them venture
00:50:01 into urban and suburban areas
00:50:03 where their path can cross that of man.
00:50:05 [Music]
00:50:07 Ah, the encounters between the fox
00:50:09 and the man,
00:50:11 it's the story of two extremes.
00:50:13 Some benevolent souls
00:50:15 try to win the trust of these animals
00:50:17 by offering them treats
00:50:19 and pampering them.
00:50:21 On the other hand,
00:50:23 there are those who tremble
00:50:25 at the simple sight of a fox
00:50:27 fearing their ferocious and fierce nature.
00:50:29 [Music]
00:50:31 Now imagine this scenario.
00:50:33 What happens if a fox
00:50:35 approaches you or even attacks you?
00:50:37 In general, foxes
00:50:39 are not a threat to humans
00:50:41 and have no bad intentions.
00:50:43 They prefer to feed themselves
00:50:45 small mammals or hens,
00:50:47 reserving their aggressiveness
00:50:49 for hunting or for their own defense.
00:50:51 However, cases of confrontation
00:50:53 between humans and foxes have been reported,
00:50:55 including a few incidents.
00:50:57 It is therefore essential to know
00:50:59 the measures to take
00:51:01 if a fox approaches or throws itself on you.
00:51:03 [Music]
00:51:05 Foxes can indeed be domesticated.
00:51:07 However, they remain essentially wild
00:51:09 and their acts can
00:51:11 be quite unpredictable.
00:51:13 They can temporarily embrace
00:51:15 captivity, then return
00:51:17 to their primary instincts
00:51:19 when they feel attacked, threatened,
00:51:21 pulled by hunger or simply
00:51:23 frightened.
00:51:25 Naturally, foxes
00:51:27 consider us as potential threats
00:51:29 and it is in our interest
00:51:31 to show the same caution.
00:51:33 Never try to approach
00:51:35 a fox, even if it seems friendly
00:51:37 and docile, because its temperament
00:51:39 can change in a few seconds
00:51:41 and take you by surprise.
00:51:43 [Music]
00:51:45 Avoid sudden movements
00:51:47 and resist the urge to approach you,
00:51:49 because it could agitate or frighten
00:51:51 our fox friend.
00:51:53 In most cases, when a fox
00:51:55 sees a man nearby,
00:51:57 he quickly runs away or hides.
00:51:59 However,
00:52:01 if you find yourself facing a fox,
00:52:03 the best step to take
00:52:05 is to take a step back
00:52:07 and give him the space he needs.
00:52:09 [Music]
00:52:11 If a fox
00:52:13 persists in approaching or if you
00:52:15 meet several at a time,
00:52:17 well, friend, stay away from them and leave
00:52:19 their territory to them. Do not try to
00:52:21 approach or feed them, even less
00:52:23 by hand. Let them wander
00:52:25 to their fox occupations
00:52:27 while you watch them from afar.
00:52:29 [Music]
00:52:31 [Music]
00:52:33 If a fox finds itself trapped,
00:52:35 for example by entering your garage,
00:52:37 it is imperative to stay calm.
00:52:39 Avoid raising your voice or
00:52:41 causing unnecessary agitation,
00:52:43 because this could incite the fox
00:52:45 to attack you. On the contrary,
00:52:47 remain silent, keep a
00:52:49 respectful distance with the animal
00:52:51 and offer it a way out.
00:52:53 Make sure the doors and windows
00:52:55 are not obstructed,
00:52:57 so as not to give the fox the freedom
00:52:59 so sought after, so desired.
00:53:01 He will escape as soon as he is
00:53:03 come.
00:53:05 However,
00:53:07 if luck does not smile on you and you
00:53:09 find yourself in the unfortunate situation
00:53:11 of a fox attack, do not forget
00:53:13 to keep calm. Refrain
00:53:15 from letting your dog down or
00:53:17 chasing him. Let the fox
00:53:19 go on its own. If the latter
00:53:21 persists and refuses to retreat,
00:53:23 a loud noise or a few handshakes
00:53:25 will be enough to make him flee.
00:53:27 And you can now enjoy your walk
00:53:29 in the forest.
00:53:31 [Music]
00:53:33 [Music]
00:53:35 [Music]
00:53:37 Are you a seasoned swimmer
00:53:39 brave enough to dive
00:53:41 in any ocean or any
00:53:43 sea? Bad news, there are
00:53:45 places you would better avoid, even if
00:53:47 you know how to swim or dive.
00:53:49 Some of these places have dangerous
00:53:51 underwater reefs, tides and powerful currents.
00:53:53 Others are famous for the
00:53:55 legends about their monsters and their mysterious creatures
00:53:57 they shelter. So let's dive into this
00:53:59 panorama of aquatic horrors.
00:54:01 Have you ever heard the term "strid"?
00:54:03 It is a variant of the word "stride"
00:54:05 which is used in the Yorkshire
00:54:07 and which refers to a narrow section
00:54:09 of the Wharf River.
00:54:11 It is so small that you could probably
00:54:13 trip it. But don't let yourself be fooled by its size,
00:54:15 it is one of the most dangerous places in the
00:54:17 surroundings and the simple fact of taking a step in the water
00:54:19 can have disastrous consequences.
00:54:21 The Wharf has a powerful current
00:54:23 and as the stride is so narrow,
00:54:25 it is even stronger in this area.
00:54:27 The intense flow of water
00:54:29 has eroded the limestone around it,
00:54:31 which has created hollow spaces
00:54:33 much deeper than the rest of the riverbed.
00:54:35 And here is the secret,
00:54:39 the current has also weakened the stride's banks
00:54:41 below. Thus, the ground
00:54:43 on which you are standing, to contemplate this
00:54:45 rapid flow, is probably only a
00:54:47 fragile edge suspended above very steep water.
00:54:49 There is no trace
00:54:51 of someone who has found himself in the
00:54:53 stride's waters and who managed to
00:54:55 escape. And the worst,
00:54:57 you would never have guessed that this stream,
00:54:59 seemingly innocent, could represent
00:55:01 such a danger. We therefore advise you
00:55:03 to stick to a safer water plan
00:55:05 for your aquatic escapades.
00:55:07 If you are looking to escape the time of a
00:55:11 weekend in California, Horseshoe Lake
00:55:13 is the place you need. It has everything for you,
00:55:15 sand beaches, hiking trails
00:55:17 and picnic areas. But wait,
00:55:19 there is something else beyond the appearance.
00:55:21 This lake has a dark side,
00:55:23 namely about 40 hectares of dead trees
00:55:25 surrounding it. And there are not
00:55:27 only the trees that have been victims of this lake.
00:55:29 The earthquakes
00:55:31 that took place between 1989 and
00:55:33 1990 released carbon dioxide
00:55:35 trapped in the magma in fusion.
00:55:37 This gas infiltrated the air, entangling
00:55:39 all forms of life around the lake.
00:55:41 Even today, Horseshoe Lake
00:55:43 is just as dangerous as it was 30 years ago.
00:55:45 What makes it so scary
00:55:47 is that the levels of this toxic gas
00:55:49 change unpredictably.
00:55:51 The warning signs that are
00:55:55 all over the place could certainly give
00:55:57 a scary touch to this fun wild hike.
00:55:59 In Kauai, in the Hawaii archipelago,
00:56:03 there is a group of breathtaking waterfalls
00:56:05 that used to be a popular destination
00:56:07 among tourists. The Kipu Falls,
00:56:09 as they are called, used to be a
00:56:11 privileged place for swimming and diving.
00:56:13 To get there, you had to walk a long
00:56:15 walk along a dirt path to finally
00:56:17 reach an impregnable view of a
00:56:19 waterfall 6 meters high that
00:56:21 overflowed into a crystal clear water
00:56:23 in the lower reaches. But since 2011,
00:56:25 this area is forbidden to the public.
00:56:27 Why? Well,
00:56:31 many accidents have occurred at the Kipu Falls.
00:56:33 Of course, jumping from the top
00:56:35 of the waterfall would be the most obvious cause.
00:56:37 But there are
00:56:39 much more mysterious cases.
00:56:41 Witnesses say that
00:56:43 swimmers peacefully enjoyed the water
00:56:45 at the bottom of the falls before
00:56:47 being suddenly sucked under the surface.
00:56:49 No precise explanation
00:56:51 has ever been found for these accidents.
00:56:53 Locals think that it is the
00:56:57 Moho aquatic spirit that should be blamed
00:56:59 because it did not want to be disturbed
00:57:01 by noisy tourists.
00:57:03 There is also a theory about a powerful
00:57:05 whirlwind coming from the bottom of the basin.
00:57:07 Anyway, the tour guides no longer mention
00:57:09 the Kipu Falls and the intrusions
00:57:11 are severely reprimanded.
00:57:13 The Samae San hole,
00:57:17 located in the Gulf of Thailand,
00:57:19 seems to be the ideal place for
00:57:21 divers in search of strong sensations.
00:57:23 But it is also the most dangerous.
00:57:25 With an abyss of 85 meters,
00:57:27 it is the deepest dive site in the region.
00:57:29 But its depth is not the only reason
00:57:31 why it is considered a place to avoid.
00:57:33 It is an important navigation
00:57:35 crossroads for giant oil workers.
00:57:37 And the powerful currents around the hole
00:57:39 make the dive even more treacherous.
00:57:41 And as if that were not enough,
00:57:43 the Samae San hole also houses
00:57:45 ferocious barracudas
00:57:47 which could easily take
00:57:49 divers without caution.
00:57:51 The water is so turbulent
00:57:53 that visibility is almost zero.
00:57:55 This makes it difficult to spot
00:57:57 these aggressive marine creatures.
00:57:59 In short, the Samae San hole
00:58:01 is a place to cut the breath,
00:58:03 but extremely dangerous and should only be
00:58:05 avoided by those who are not
00:58:07 used to the steel nerves.
00:58:09 So let us tell you about New Smirna Beach,
00:58:11 the world capital of shark attacks.
00:58:13 If you are looking for a relaxing
00:58:15 vacation spot in the Volusia County
00:58:17 in Florida, you should
00:58:19 think twice.
00:58:21 The waters around New Smirna Beach
00:58:23 are full of fish,
00:58:25 which attracts a lot of squall.
00:58:27 In fact, there have been so many
00:58:29 shark attacks reported in this region
00:58:31 that it has widely deserved
00:58:33 the title of the world capital of shark attacks.
00:58:35 Researchers themselves have warned
00:58:37 that anyone who goes to swim there
00:58:39 would certainly find themselves
00:58:41 in close contact with at least one of them.
00:58:43 We are talking about a distance of 3 meters
00:58:45 at most, and in many cases
00:58:47 you wouldn't even realize it.
00:58:49 To make matters worse, the Bulldog shark,
00:58:51 one of the most dangerous and
00:58:53 aggressive types of sharks,
00:58:55 has been spotted in these waters.
00:58:57 Kauai is once again
00:58:59 on our list.
00:59:01 A beach on the coast of Napali
00:59:03 called Anakapiai Beach
00:59:05 may look like heaven on earth
00:59:07 but you are not mistaken.
00:59:09 To get there, you will have to walk
00:59:11 an extremely steep rocky path
00:59:13 over 3 km.
00:59:15 There is no lifeguard on this isolated beach,
00:59:17 so if you decide to dive in the water,
00:59:19 you will be delivered to yourself.
00:59:21 The biggest threat to your safety
00:59:25 are the incredibly strong currents of rip-off.
00:59:27 They are almost always present
00:59:29 in the sand that protects this shore.
00:59:31 And if someone gets caught in one of these currents,
00:59:33 there is no safe place to swim
00:59:35 at miles around.
00:59:37 The nearest beach is 10 km away.
00:59:39 Believe us, Anakapiai Beach
00:59:41 is far from being the safest.
00:59:43 It is therefore highly recommended
00:59:45 to stay out of the water
00:59:47 if you ever come to this beach.
00:59:49 Let us now tell you about
00:59:51 a place that seems straight out of a horror movie.
00:59:53 It is Berkeley Pit,
00:59:55 an artificial lake
00:59:57 located in Butte, Montana.
00:59:59 The first thing you will notice
01:00:03 about this place
01:00:05 is its disturbing red color
01:00:07 that makes you feel uncomfortable.
01:00:09 You might have tried to swim in it,
01:00:11 but it would have been a big mistake.
01:00:13 Do not even touch it!
01:00:15 This water is incredibly dangerous
01:00:17 due to the heavy metals present in it,
01:00:19 such as cadmium, arsenic, zinc, lead and copper.
01:00:21 They come from the rocks
01:00:25 that surround the lake
01:00:27 and make its water extremely acidic.
01:00:29 This place used to be
01:00:31 a open-air copper mine,
01:00:33 which explains its color.
01:00:35 So if you want our advice,
01:00:37 avoid this place like the plague.
01:00:39 There are three lakes in Africa
01:00:43 that are perhaps the most dangerous places
01:00:45 of all those we have mentioned so far.
01:00:47 The Monoun Lakes,
01:00:49 and Nios in Cameroon,
01:00:51 and Kivu Lake in Rwanda
01:00:53 are like delay bombs ready to explode.
01:00:55 They are formed above
01:00:57 underground fissures of melting rocks.
01:00:59 And sometimes,
01:01:01 these rocks release toxic gases
01:01:03 such as methane and carbon dioxide
01:01:05 directly into the water.
01:01:07 When this happens,
01:01:09 these gases can accumulate
01:01:11 until suddenly water is gushing out,
01:01:13 creating powerful waves
01:01:15 capable of destroying everything
01:01:17 that is in their way.
01:01:19 This type of eruption is known
01:01:21 as a toxic gas that can be harmful
01:01:23 to everything that is nearby.
01:01:25 The most terrifying thing is
01:01:27 that these explosions can occur at any time
01:01:29 and without any precursor sign.
01:01:31 So if you ever find yourself
01:01:33 near one of these lakes,
01:01:35 you'd better be on your guard
01:01:37 because you never know when the next one
01:01:39 could occur.
01:01:41 Maybe you know other places
01:01:43 that you would definitely not recommend
01:01:45 for a relaxing swim.
01:01:47 Do not hesitate to share it
01:01:49 with your friends.
01:01:51 You are now on the island of Kemada Grande,
01:01:53 one of the most dangerous in the world.
01:01:55 There, you find yourself in the middle
01:01:57 of a tropical forest.
01:01:59 There are huge rocks and grassy plains.
01:02:01 This place is home to birds,
01:02:03 otters and giant cockroaches,
01:02:05 but also another animal.
01:02:07 And it is because of this one
01:02:09 that the island has acquired
01:02:11 its sinister reputation.
01:02:13 There are snakes in great numbers,
01:02:15 so many that the place is also
01:02:17 a place of great danger.
01:02:19 Could you survive there?
01:02:21 Located only 32 km from the Brazilian coast,
01:02:23 the island has an area of 43 hectares.
01:02:25 It was probably cut off from the continent
01:02:27 during the last glacial period.
01:02:29 For this reason,
01:02:31 snakes have found themselves
01:02:33 separated from most other animal species.
01:02:35 They have lived there without any rivals,
01:02:37 having almost unlimited sources of food.
01:02:39 In such a small space,
01:02:41 there are up to 4,000 snakes,
01:02:43 which represents one snake per square meter.
01:02:45 It would be very difficult
01:02:47 to never meet one of these creatures
01:02:49 on this island.
01:02:51 This snake, the island's
01:02:53 trigonocephalus, is not only
01:02:55 the most common on the island,
01:02:57 but it also turns out to be,
01:02:59 in the family of viperidae,
01:03:01 an extremely venomous species.
01:03:03 In fact, it is one of the most
01:03:05 venomous species in all of Latin America.
01:03:07 The power of its venom is due
01:03:09 to its great isolation.
01:03:11 In addition to snakes,
01:03:13 the venom of snakes is particularly violent.
01:03:15 As a result, since they were separated
01:03:17 from their distant parents,
01:03:19 their venom has become almost
01:03:21 five times more powerful.
01:03:23 Most of the time, the island's
01:03:25 trigonocephalus hides in the trees
01:03:27 or the leaves that cover the ground.
01:03:29 If you ever find yourself stuck here,
01:03:31 it is better that you keep a good distance
01:03:33 from these animals.
01:03:35 Snakes mainly use their odors
01:03:37 and vibrations to capture their prey.
01:03:39 If you get too close to one of them,
01:03:41 if you emit too many vibrations,
01:03:43 they will feel threatened,
01:03:45 which could push them to attack you.
01:03:47 If you see one of them a few miles away,
01:03:49 or if you are heading for tall grass,
01:03:51 tap your feet several times.
01:03:53 This will inform the snakes of your presence.
01:03:55 They will not take the risk of measuring
01:03:57 themselves to a prey larger than them
01:03:59 and will probably flee quite quickly.
01:04:01 It is always good to wear a stick
01:04:03 in case you happen to stumble
01:04:05 upon a snake.
01:04:07 You will thus have some kind of extension
01:04:09 that will prevent you from biting.
01:04:11 This stick could save your life.
01:04:13 If it has a V-shaped end,
01:04:15 your stick will give you even more advantage.
01:04:17 If a snake starts to behave aggressively,
01:04:19 you can hold it to the ground
01:04:21 and stop it in its tracks.
01:04:23 But whatever happens,
01:04:25 do not try to pick it up.
01:04:27 Well, but what should you do
01:04:29 if you get bitten?
01:04:31 The risks are quite high on this island, of course.
01:04:33 First of all, do not try to extract the venom
01:04:35 by your own means.
01:04:37 It is better to call the emergency services
01:04:39 immediately.
01:04:41 And once the rescue teams are on their way,
01:04:43 apply a wide bandage on the wound.
01:04:45 A piece of fabric will do the trick
01:04:47 if you have nothing else.
01:04:49 Do not try to chase the snake
01:04:51 to determine its species.
01:04:53 The emergency services will know
01:04:55 the venom it is.
01:04:57 Now you just have to stay calm
01:04:59 and wait for the rescue teams.
01:05:01 You may be wondering who you can call
01:05:03 on this abandoned island.
01:05:05 There are a lot of emergency services
01:05:07 all over the island.
01:05:09 You will find a number
01:05:11 you can call if you have a problem.
01:05:13 Let's say you managed
01:05:15 to avoid getting bitten.
01:05:17 What will you be able to eat on site?
01:05:19 Queimada in Portuguese means
01:05:21 "burning" or "forest fire".
01:05:23 And this name has a story.
01:05:25 Indeed, the whole island
01:05:27 was deliberately set on fire
01:05:29 to allow the creation
01:05:31 of a banana plantation.
01:05:33 But it did not go as well
01:05:35 as the entrepreneurs hoped.
01:05:37 Probably because the snakes
01:05:39 did not let the farmers work in peace.
01:05:41 But some banana trees
01:05:43 still continue to grow
01:05:45 and they will bring you the nutrients
01:05:47 you need.
01:05:49 You will also need to fill up
01:05:51 with protein during your stay.
01:05:53 Fortunately, in addition to the snakes,
01:05:55 this island also houses cockroaches.
01:05:57 These giant prehistoric-looking cockroaches
01:05:59 go out at night to feed on plants.
01:06:01 But the best way to survive
01:06:03 on this island is to avoid it at all costs.
01:06:05 If, by chance, you pass in front of it,
01:06:07 do not forget that this place
01:06:09 was once connected to the continent.
01:06:11 The rocks under the surface of the waters
01:06:13 are therefore a great risk
01:06:15 for your boat
01:06:17 if you get too close.
01:06:19 Therefore, be sure to keep a good distance
01:06:21 from the shore when you cross.
01:06:23 Of course, the island is more intriguing.
01:06:25 But do not forget that whatever
01:06:27 the distance you are approaching from these lands,
01:06:29 you will not be able to see the snakes
01:06:31 from your boat.
01:06:33 You will only see these creatures
01:06:35 if you approach them,
01:06:37 which is absolutely not recommended.
01:06:39 Because it is not only the reptiles
01:06:41 that make this place dangerous.
01:06:43 Pirates visit this island quite regularly.
01:06:45 Not the wood-legged pirates
01:06:47 who sing while counting their gold coins,
01:06:49 but those who are called the biopirates
01:06:51 who come here to capture the animal
01:06:53 that makes the island so dangerous.
01:06:55 They come for the snakes,
01:06:57 the birds,
01:06:59 the animals,
01:07:01 the animals that make this place dangerous.
01:07:03 Since the island was cut off from the world
01:07:05 about 11,000 years ago,
01:07:07 the island's trigonocephalus
01:07:09 has evolved in its own habitat.
01:07:11 So, although the number of these reptiles
01:07:13 is high in these places,
01:07:15 the species is now considered a threat.
01:07:17 And because of their rarity,
01:07:19 their value is very high.
01:07:21 They are sold for sums close to 30,000 euros
01:07:23 on the illegal markets.
01:07:25 It is known that you have all the resources
01:07:27 necessary to survive in one of the most dangerous places
01:07:29 in the world.
01:07:31 Do you think you will be able to achieve this feat?
01:07:33 Do you think it is impossible?
01:07:35 You will be surprised to know that in reality,
01:07:37 it is perfectly feasible, if you know what you are doing.
01:07:39 Many people have already visited this frightening place.
01:07:41 Scientific teams often go there.
01:07:43 They study the island's trigonocephalus,
01:07:45 its environment
01:07:47 and its food sources
01:07:49 for conservation purposes.
01:07:51 But researchers always make sure
01:07:53 that there is a doctor on the team.
01:07:55 There is also a lighthouse on the Snake Island.
01:07:57 It was operated until the 1920s.
01:07:59 Then it was automated.
01:08:01 You can easily guess why.
01:08:03 Brazilian authorities visit this lighthouse
01:08:05 once a year to make sure
01:08:07 that it still works properly.
01:08:09 The inhabitants of the continent
01:08:11 know the reputation of the island.
01:08:13 So, the stories of people who would have disappeared
01:08:15 are rather rare.
01:08:17 But one day, a group of fishermen
01:08:19 approached too close to its shore.
01:08:21 While they were following their usual route,
01:08:23 they accidentally got too close to the shore.
01:08:25 Their boat hit a reef
01:08:27 under the waves
01:08:29 and began to fill with water.
01:08:31 As the boat was sinking rapidly,
01:08:33 men had only two options left.
01:08:35 Try to survive in the agitated sea
01:08:37 or swim to the beach of Snake Island.
01:08:39 It was obviously a difficult choice.
01:08:41 After all, they had heard all the stories.
01:08:43 And it was not only the snakes that frightened them.
01:08:45 A legend said that the island was cursed.
01:08:47 But without worrying about its tales
01:08:49 or sleeping on the beach,
01:08:51 the fishermen decided to try their luck
01:08:53 on the island of Queimada Grande.
01:08:55 After reaching the shore,
01:08:57 they tried to be careful.
01:08:59 Their knowledge of the island
01:09:01 could help them survive.
01:09:03 More importantly,
01:09:05 they knew that they had to avoid
01:09:07 the tropical forest at all costs.
01:09:09 When men started to get hungry,
01:09:11 they carefully headed
01:09:13 to the forest bed
01:09:15 to pick bananas.
01:09:17 But they were not lucky.
01:09:19 They could only drink water
01:09:21 when it was raining.
01:09:23 It was barely enough
01:09:25 to keep them alive.
01:09:27 They slept on the beach
01:09:29 without protection against the elements.
01:09:31 And yet, they were so close
01:09:33 to the lighthouse and the caves,
01:09:35 they were extremely careful.
01:09:37 But it was either to endure
01:09:39 a certain discomfort
01:09:41 or to risk their lives
01:09:43 for a dry bed.
01:09:45 And finally, a boat saved them.
01:09:47 Now you know
01:09:49 that anything is possible.
01:09:51 Ah, gravity!
01:09:55 You heartless animal!
01:09:57 Yes, that's what I always say
01:09:59 when I step on a stone or a step
01:10:01 and I fall face down.
01:10:03 I swear, I'm not clumsy, am I?
01:10:05 Anyway, gravity affects everyone,
01:10:07 doesn't it?
01:10:09 Finally, a certainty in this world
01:10:11 in perpetual change.
01:10:13 Oh, I'm in a romantic mood, sorry.
01:10:15 But what if I told you
01:10:17 that it's not as simple and clear as you think?
01:10:19 There are places on our planet
01:10:21 where gravity behaves
01:10:23 as if it had gone crazy.
01:10:25 And that's why you clicked here.
01:10:27 So let's take a look.
01:10:29 Magnetic Hill in Leh, India.
01:10:31 There is a part of the road
01:10:33 in India that attracts tourists
01:10:35 from all over the world.
01:10:37 It is not different from the surrounding landscape
01:10:39 and you could easily pass by
01:10:41 if it's not for something
01:10:43 very unusual and a little scary.
01:10:45 If you stop your car
01:10:47 on the magnetic hill by climbing the slope
01:10:49 and you put it to the dead end,
01:10:51 it will start to move
01:10:53 up to a speed
01:10:55 of 20 km/h.
01:10:57 It is said that there is a kind of magnetic force
01:10:59 that pulls cars up
01:11:01 the hill,
01:11:03 hence its name.
01:11:05 In addition, it is also said that even planes
01:11:07 take altitude above this place.
01:11:09 The skeptics offer another explanation.
01:11:11 It is simply the configuration of the terrain
01:11:13 that gives the illusion of climbing,
01:11:15 while in fact
01:11:17 we go down the hill.
01:11:19 And vice versa.
01:11:21 Whatever the truth,
01:11:23 I would like to see it with my own eyes.
01:11:25 And you? Tell me in the comments.
01:11:27 The Twisted Forest, Poland.
01:11:29 Near the village of Nowy Czarnowo,
01:11:31 there is a forest
01:11:33 at the bottom of which
01:11:35 you can find strange-looking pine trees.
01:11:37 Planted in the 1930s,
01:11:39 these are 400 trees that suddenly bend
01:11:41 to the north, practically
01:11:43 from the roots, then grow up
01:11:45 in a semicircle.
01:11:47 Although scientists propose different theories
01:11:49 about the strange growth of these trees,
01:11:51 no one can say with certainty
01:11:53 what gave them this appearance.
01:11:55 Some say that people did it,
01:11:57 while others believe that it is a gravitational anomaly
01:11:59 that somehow pushed
01:12:01 the trees down.
01:12:03 However, the problem with this version
01:12:05 is that it must have been present for years
01:12:07 and that it would have affected only the trees.
01:12:09 Let's admit it, no indisputable explanation
01:12:11 explains this phenomenon,
01:12:13 however crazy it is.
01:12:15 A waterfall, Ferro Bay.
01:12:17 Have you ever seen a waterfall
01:12:19 falling upwards?
01:12:21 You can see one on the Ferro Bay Islands,
01:12:23 halfway between Iceland and Scotland.
01:12:25 But if you were expecting me to tell you
01:12:27 an incredible story about a mysterious force
01:12:29 pushing the water up the rocks,
01:12:31 then sorry, not at all.
01:12:33 However, the truth is just as amazing.
01:12:35 The winds of this place are so powerful
01:12:37 that they lift the water
01:12:39 and throw it back up.
01:12:41 I suppose it is this kind of wind
01:12:43 that allowed Mary Poppins to fly
01:12:45 with her umbrella.
01:12:47 It seems reasonable.
01:12:49 In fact, this waterfall is not unique.
01:12:51 There are several other places on Earth
01:12:53 where the winds create an illusion
01:12:55 that defies gravity.
01:12:57 For example, the River Kinder in England
01:12:59 has a waterfall that constantly
01:13:01 pushes the water up, especially against the wind.
01:13:03 The wind is so strong that half of the water
01:13:05 in the waterfall seems to fly away
01:13:07 without ever touching the bottom of the waterfall.
01:13:09 The Hoover Dam in Nevada, USA.
01:13:11 If you ever manage to get to the top
01:13:13 of the dam, which is about
01:13:15 221 meters high,
01:13:17 you can try a little trick.
01:13:19 Take a bottle of water
01:13:21 and pour it on the edge.
01:13:23 You will see the water flow up
01:13:25 instead of pouring down.
01:13:27 Once again, it is not a magical
01:13:29 or artificial phenomenon.
01:13:31 The wind is simply too strong
01:13:33 for the water to fall,
01:13:35 as in the case of the Ferro Bay Waterfall.
01:13:37 Here, however, it is even more
01:13:39 impressive since you can do it yourself.
01:13:41 Dock Ebby Road, South Korea.
01:13:43 Another gravitational anomaly
01:13:45 located on a road.
01:13:47 Residents have discovered
01:13:49 that if you put a can or
01:13:51 an empty bottle on the ground,
01:13:53 it immediately starts to roll
01:13:55 up the mountain.
01:13:57 In many places of this kind in the world,
01:13:59 the Dock Ebby Road does not
01:14:01 only create an illusion.
01:14:03 When you go down the slope,
01:14:05 you do not feel like going up.
01:14:07 Everything is rather normal.
01:14:09 But as soon as you put an object
01:14:11 that can roll, it does so in the
01:14:13 opposite direction to what it should.
01:14:15 Local authorities soon took advantage
01:14:17 of the phenomenon and installed a sign
01:14:19 indicating to curious tourists
01:14:21 the mysterious road.
01:14:23 Gold Rock, Burma.
01:14:25 Also known today as Myanmar.
01:14:27 Do not forget to visit this famous site.
01:14:29 A rock covered with gold leaves
01:14:31 is located on the edge of a cliff
01:14:33 and a small pagoda
01:14:35 is built at the top.
01:14:37 What is impressive with this rock
01:14:39 is that it only touches the cliff
01:14:41 slightly to rest.
01:14:43 In fact, it looks like the rock
01:14:45 will fall from one minute to the next,
01:14:47 but no, it has been like this for centuries.
01:14:49 In addition, the pagoda built on the rock
01:14:51 is not really a recent construction.
01:14:53 It is therefore a rather surprising show.
01:14:55 The rock seems to say,
01:14:57 "Gravity? Pfff, I do not care
01:14:59 about that kind of thing."
01:15:01 The legend wants what keeps
01:15:03 the rock in place to be a simple
01:15:05 hair bundle of Buddha.
01:15:07 I do not know,
01:15:09 but you can go see the rock by yourself
01:15:11 and see that it is not attached
01:15:13 to the cliff by anything at all.
01:15:15 And yet, it has not moved since 2500 years.
01:15:17 There must be something crazy going on here,
01:15:19 right?
01:15:21 Davasco Rock, Argentina.
01:15:23 If there is another thing
01:15:25 that says out loud,
01:15:27 "Gravity, I challenge you,"
01:15:29 it is Davasco Rock.
01:15:31 This huge 300-ton rock
01:15:33 holds up precariously
01:15:35 on the edge of a cliff
01:15:37 and swings a little from one side to the other
01:15:39 due to the wind.
01:15:41 People even tested it by placing
01:15:43 glass bottles under one of its edges.
01:15:45 They exploded with a new movement
01:15:47 of the rock.
01:15:49 This rock was a natural monument
01:15:51 as it was a century ago.
01:15:53 In 1912, the rock suddenly fell
01:15:55 from its perch, which had occupied it
01:15:57 literally for hundreds of years.
01:15:59 The inhabitants of the neighboring town
01:16:01 of Tandil were so sad about this event
01:16:03 that 95 years later, in 2007,
01:16:05 they decided to restore the rock.
01:16:07 In fact, they did not really
01:16:09 reconstruct it piece by piece.
01:16:11 They made a plastic replica
01:16:13 of the rock and placed it
01:16:15 in the same place and in the same position.
01:16:17 Today, still today,
01:16:19 passing through Tandil,
01:16:21 you can see the famous rock of balance.
01:16:23 It is now a symbol, of course,
01:16:25 because it no longer swings
01:16:27 and weighs only 9 tons.
01:16:29 But it is still immediately recognizable.
01:16:31 Devil's Tower
01:16:33 in Wyoming, United States.
01:16:35 Do you remember this place
01:16:37 in the movie "Meeting the Third Kind"?
01:16:39 If not, you should go see it,
01:16:41 but not right away.
01:16:43 This place does not give you the impression
01:16:45 of any kind of magic,
01:16:47 and does not really reveal gravity in your eyes.
01:16:49 It seems almost boring
01:16:51 compared to the rest of the sites on my list, right?
01:16:53 But the real stunning feature
01:16:55 of the Devil's Tower
01:16:57 is that scientists simply cannot
01:16:59 explain how it came to be.
01:17:01 It is a 265-meter rocky formation
01:17:03 whose walls are so stiff
01:17:05 that they are practically vertical.
01:17:07 But that's not the most important thing.
01:17:09 This piece of rock
01:17:11 rose in the middle of the winding plains
01:17:13 of the Wyoming Valley
01:17:15 without anything like it,
01:17:17 a few kilometers around.
01:17:19 So how did such a flat landscape
01:17:21 suddenly give birth
01:17:23 to something so big?
01:17:25 Theories abound,
01:17:27 but no one has the answer yet.
01:17:29 My theory?
01:17:31 Maybe this is where the Earth
01:17:33 has a giant umbrella.
01:17:35 If you have a better idea,
01:17:37 my faith, I'm listening.
01:17:39 Oregon Vortex, United States.
01:17:41 It is a place where the Earth
01:17:43 is a giant umbrella.
01:17:45 It is a place where the Earth
01:17:47 is a giant umbrella.
01:17:49 It is a place where the Earth
01:17:51 is a giant umbrella.
01:17:53 It is a place where the Earth
01:17:55 is a giant umbrella.
01:17:57 It is a place where the Earth
01:17:59 is a giant umbrella.
01:18:01 It is a place where the Earth
01:18:03 is a giant umbrella.
01:18:05 It is a place where the Earth
01:18:07 is a giant umbrella.
01:18:09 It is a place where the Earth
01:18:11 is a giant umbrella.
01:18:13 It is a place where the Earth
01:18:15 is a giant umbrella.
01:18:17 It is a place where the Earth
01:18:19 is a giant umbrella.
01:18:21 It is a place where the Earth
01:18:23 is a giant umbrella.
01:18:25 It is a place where the Earth
01:18:27 is a giant umbrella.
01:18:29 It is a place where the Earth
01:18:31 is a giant umbrella.
01:18:33 It is a place where the Earth
01:18:35 is a giant umbrella.
01:18:37 It is a place where the Earth
01:18:39 is a giant umbrella.
01:18:41 It is a place where the Earth
01:18:43 is a giant umbrella.
01:18:45 It is a place where the Earth
01:18:47 is a giant umbrella.
01:18:49 It is a place where the Earth
01:18:51 is a giant umbrella.
01:18:53 It is a place where the Earth
01:18:55 is a giant umbrella.
01:18:57 It is a place where the Earth
01:18:59 is a giant umbrella.
01:19:01 It is a place where the Earth
01:19:03 is a giant umbrella.
01:19:05 It is a place where the Earth
01:19:07 is a giant umbrella.
01:19:09 It is a place where the Earth
01:19:11 is a giant umbrella.
01:19:13 It is a place where the Earth
01:19:15 is a giant umbrella.
01:19:17 It is a place where the Earth
01:19:19 is a giant umbrella.
01:19:21 It is a place where the Earth
01:19:23 is a giant umbrella.
01:19:25 It is a place where the Earth
01:19:27 is a giant umbrella.
01:19:29 It is a place where the Earth
01:19:31 is a giant umbrella.
01:19:33 No moonwalk for me then.
01:19:35 Puna, Peru.
01:19:39 It is an empty desert, a rocky land
01:19:41 and a big nothing.
01:19:43 Oh no, wait, there is the Yareta.
01:19:45 The Yareta is a flower plant
01:19:47 so particular
01:19:49 that one could think it was photoshopped.
01:19:51 It is to say how different it is
01:19:53 from the rest of the desert.
01:19:55 At first glance, it looks like covered moss rocks.
01:19:57 But it is an old plant
01:19:59 of 3000 years that can be found
01:20:01 in the frozen prairies of Puna,
01:20:03 in the Andes.
01:20:05 This plant grows in groups
01:20:07 and they are so dense that you could
01:20:09 stand on a bush of Yareta
01:20:11 and it would bear your weight without any problem.
01:20:13 The Spotted Lake, Canada.
01:20:15 Some call it the most magical place in Canada.
01:20:17 In winter and spring,
01:20:19 it is just an ordinary lake that looks like any other.
01:20:21 But try to go there in summer
01:20:23 when the water starts to evaporate.
01:20:25 You will have the impression of entering another world.
01:20:27 A landscape with blue,
01:20:29 green and yellow colors.
01:20:31 In summer, there are more than 300 pools
01:20:33 and they are magical.
01:20:35 Over the centuries, people have always believed
01:20:37 that each of them had different
01:20:39 healing properties.
01:20:41 Oh, and the explanation of these vivid colors
01:20:43 is purely scientific.
01:20:45 Each of them has a strong concentration
01:20:47 of different minerals.
01:20:49 Riotinto, Spain.
01:20:51 For more than 5000 years, the Red River
01:20:53 is surrounded by copper mines,
01:20:55 silver, gold and other minerals.
01:20:57 These minerals give the river
01:20:59 its particular reddish color.
01:21:01 People have been exploiting this region
01:21:03 for centuries until the entire industry
01:21:05 began to disappear.
01:21:07 The mines remained abandoned until their rediscovery
01:21:09 in the 18th century.
01:21:11 The river is quite impressive,
01:21:13 but it is also very dangerous for humans
01:21:15 due to its high acidity.
01:21:17 The bacteria present in the water
01:21:19 create similar conditions to those
01:21:21 that can be found in other places
01:21:23 in our solar system.
01:21:25 For example, scientists believe
01:21:27 that there is something quite similar
01:21:29 on one of Jupiter's moons, Europe.
01:21:31 An acid ocean is hidden
01:21:33 under the surface of the moon.
01:21:35 The Bay of Toyama.
01:21:37 If you walk along the coast of the Bay of Toyama
01:21:39 in Japan, you may have the chance
01:21:41 to see a blue-neon light
01:21:43 of the mystical kind.
01:21:45 It comes from underwater and illuminates the sea
01:21:47 during the night.
01:21:49 There are not many places where you can see
01:21:51 a phenomenon like this.
01:21:53 It is quite possible to see it in the night.
01:21:55 This creature lives at a depth
01:21:57 of more than 200 meters under the surface.
01:21:59 But in spring, it regroups
01:22:01 near the coast.
01:22:03 Sometimes, the waves even take them
01:22:05 to the shore.
01:22:07 The light emitted by these animals
01:22:09 is actually a camouflage that helps them
01:22:11 to hide and protect themselves.
01:22:13 During the day, the squid return to the depths,
01:22:15 but at night, they come back to party
01:22:17 near the shore.
01:22:19 The light they produce is not strong enough
01:22:21 to read a book in the dark,
01:22:23 but it is still quite impressive.
01:22:25 Flygeser, Nevada, United States.
01:22:27 Imagine that you are in a space rocket.
01:22:29 At some point, you realize that you have entered
01:22:31 the atmosphere of an unknown planet.
01:22:33 You haven't even seen it was there.
01:22:35 The gravity of the planet
01:22:37 starts to pull your rocket down.
01:22:39 Soon, it crashes on its surface.
01:22:41 Fortunately, your space ship
01:22:43 is quite solid and remains intact.
01:22:45 So you put on your space suit
01:22:47 and you will see two or three
01:22:49 flying objects.
01:22:51 Just in front of you,
01:22:53 there is something you have never seen before.
01:22:55 An incredible nature,
01:22:57 extraordinary colors,
01:22:59 and a weird thing that looks like a mountain.
01:23:01 And suddenly,
01:23:03 it spits a column of boiling water.
01:23:05 You shake your head.
01:23:07 Ah, again, your imagination is overflowing.
01:23:09 You are actually in Nevada,
01:23:11 watching the Fly Ranch Geyser.
01:23:13 Don't be disappointed,
01:23:15 it's still amazing.
01:23:17 This geyser appeared
01:23:19 in the 1960s,
01:23:21 when a geothermal energy company
01:23:23 made a drilling.
01:23:25 This allowed the free-attic table
01:23:27 to escape.
01:23:29 And the colors are similar to those
01:23:31 you can see in Yellowstone National Park.
01:23:33 And it's simply because of the algae.
01:23:35 Speaking of Yellowstone,
01:23:37 it's another place that seems to have been
01:23:39 extracted from another galaxy.
01:23:41 On a surface larger than the states
01:23:43 of Delaware and Rhode Island combined,
01:23:45 there are more than 10,000 hydrothermal structures,
01:23:47 500 geysers,
01:23:49 and incredible waterfalls.
01:23:51 Tsingy de Bemara,
01:23:53 in Madagascar.
01:23:55 Here is a place where you can easily imagine
01:23:57 falling face to face with
01:23:59 very ancient animals.
01:24:01 You can almost see them hiding among the pointed rocks
01:24:03 that go up to 100 meters.
01:24:05 Half of this national park is covered
01:24:07 with forests, and the other half
01:24:09 is made up of rocks formed
01:24:11 by the erosion of the water.
01:24:13 This place houses many animals,
01:24:15 such as chameleons, iguanas,
01:24:17 frogs, and many species of lemurs.
01:24:19 Vatnajökull glacier,
01:24:21 in Iceland.
01:24:23 In your quest to discover the wonders
01:24:25 of our planet,
01:24:27 don't forget to go to Iceland.
01:24:29 There you'll find the largest glacier in all of Europe.
01:24:31 In some places,
01:24:33 the glacier can be over 914 meters thick.
01:24:35 Vatnajökull
01:24:37 has 30 glacial emissaries
01:24:39 ready to be explored.
01:24:41 They are ice channels
01:24:43 that used to come out of a glacier shell
01:24:45 but remained stuck in the valley's limits.
01:24:47 As for the famous Icelandic ice cave,
01:24:49 it is formed when the meltwater
01:24:51 crosses a glacier
01:24:53 and tries to rise to the surface.
01:24:55 This usually happens in summer,
01:24:57 when the temperatures are higher
01:24:59 and the water flow is more intense.
01:25:01 When the temperatures drop,
01:25:03 the water freezes.
01:25:05 This is how caves are formed.
01:25:07 Staffa, Scotland, United Kingdom.
01:25:09 Staffa is an uninhabited island
01:25:11 that looks like another planet.
01:25:13 Once you see it,
01:25:15 you can't help but feel
01:25:17 that it hides a lot of secrets.
01:25:19 Yet, in reality, it's a calm place,
01:25:21 almost entirely occupied by sea birds
01:25:23 and seals.
01:25:25 Yet, no one can deny
01:25:27 that the incredible rock columns
01:25:29 give this place a unique and mysterious look.
01:25:31 This has always encouraged the people
01:25:33 to spread legends about this unusual cave.
01:25:35 The columns themselves
01:25:37 were formed millions of years ago,
01:25:39 mainly because of volcanic eruptions.
01:25:41 Glowworm Caves, New Zealand.
01:25:43 Imagine you find an entrance
01:25:45 to a magical cave.
01:25:47 You move at full speed on your boat,
01:25:49 eager to take a look inside.
01:25:51 And you are rewarded
01:25:53 by one of the most beautiful views there is.
01:25:55 You discover a closed cave
01:25:57 that seems to be under a magnificent starry sky.
01:25:59 You don't need to go all the way
01:26:01 around the Milky Way
01:26:03 to find something similar.
01:26:05 The Glowworm Caves, New Zealand,
01:26:07 are there for you.
01:26:09 The caves were formed millions of years ago.
01:26:11 Now, they have an impressive
01:26:13 collection of stalagmites and stalactites.
01:26:15 But what makes them truly unique
01:26:17 are their shiny green.
01:26:19 The caves house thousands
01:26:21 and thousands of luminous larvae.
01:26:23 The green ones need to attract insects
01:26:25 and potential partners.
01:26:27 To do this, they use their tails
01:26:29 that shine in the dark.
01:26:31 There are many caves like this one in the region
01:26:33 and people have been exploring them
01:26:35 for over 100 years.
01:26:37 The Wulingyuan is a historical
01:26:39 area in the Zhangjiajie region
01:26:41 in China.
01:26:43 This amazing place offers breathtaking
01:26:45 landscapes and has more than
01:26:47 3,000 stalactites.
01:26:49 It seems that nature has decided
01:26:51 to make its own version of the skyscrapers.
01:26:53 Some of them reach half the size
01:26:55 of the Empire State Building.
01:26:57 In general, it is impossible to know
01:26:59 where the stalactites start.
01:27:01 But if you try to guess what's at the bottom,
01:27:03 it's an endless fog.
01:27:05 Two natural stone bridges seem to float
01:27:07 among the pillars lost in the clouds.
01:27:09 The Eye of Africa.
01:27:11 It's a mystery that has been hidden
01:27:13 for millennia.
01:27:15 This geological formation is difficult
01:27:17 to spot when you stand up normally.
01:27:19 That's why it wasn't discovered
01:27:21 before people started exploring
01:27:23 space.
01:27:25 For a while, scientists thought
01:27:27 it was an impact crater created
01:27:29 by a space object that had
01:27:31 twisted the Earth's surface.
01:27:33 But after doing research,
01:27:35 they discovered that the origin
01:27:37 of the Eye was entirely terrestrial.
01:27:39 Today, geologists think that the formation
01:27:41 of this Eye began more than 100 million years ago,
01:27:43 when the tectonics of the plates
01:27:45 tore apart the supercontinent
01:27:47 known as Pangaea.
01:27:49 The melting rock that rose to the surface
01:27:51 created a huge dome
01:27:53 made up of different layers.
01:27:55 Later, volcanic activity
01:27:57 and erosion formed the Eye.
01:27:59 Lake Baikal, Russia.
01:28:01 The deepest, oldest,
01:28:03 and one of the largest
01:28:05 freshwater lakes in the world
01:28:07 has secrets that are unique to it.
01:28:09 The lake is frozen
01:28:11 from early January to May.
01:28:13 In summer, the water is so clear
01:28:15 that you can see up to 40 meters deep.
01:28:17 That's because the frozen ice
01:28:19 of the Siberian mountains is incredibly pure.
01:28:21 There is no mineral salt
01:28:23 in Lake Baikal either.
01:28:25 Salar de Uyuni, Bolivia.
01:28:27 It is one of the most difficult
01:28:29 places to access in South America.
01:28:31 The largest salt plain in the world
01:28:33 extends over 10,400 square kilometers.
01:28:35 It appeared when the prehistoric lakes
01:28:37 evaporated thousands of years ago.
01:28:39 A thick salt crust
01:28:41 extends beyond the horizon.
01:28:43 At some point,
01:28:45 you don't even know where the earth ends
01:28:47 and the sky begins.
01:28:49 The Atacama Desert, Chile.
01:28:51 The driest desert in the world
01:28:53 is made of rocky landscapes,
01:28:55 salty lakes, dunes,
01:28:57 and extreme temperatures.
01:28:59 In some parts of the desert,
01:29:01 there has not been rain for nearly 500 years.
01:29:03 Without water or nutrients
01:29:05 coming from the ground,
01:29:07 there are no plants either.
01:29:09 This is one of the reasons
01:29:11 why you feel like you're on another planet,
01:29:13 like Mars.
01:29:15 But wait for the night to fall.
01:29:17 You will be able to admire an infinite sky
01:29:19 filled with stars,
01:29:21 and you will be able to see
01:29:23 the most beautiful stars in the world.
01:29:25 The Baobab Avenue
01:29:27 is probably the most incredible
01:29:29 and surrealist avenue in the world.
01:29:31 To see it,
01:29:33 go to Madagascar.
01:29:35 It's not the only big thing
01:29:37 you can find there,
01:29:39 since this island also houses
01:29:41 huge comet butterflies.
01:29:43 Their wingspan is up to 20 centimeters,
01:29:45 so you can easily spot them.
01:29:47 Huacachina is a real oasis
01:29:49 and the most fun activity
01:29:51 you can do there is sandboarding.
01:29:53 Make sure you have safety glasses
01:29:55 and a tight mouth.
01:29:57 The Love Tunnel in Klevan, Ukraine,
01:29:59 is completely covered in plants.
01:30:01 Some couples believe
01:30:03 that if they cross this 4-kilometer-long tunnel together,
01:30:05 their dream could come true.
01:30:07 But be careful about what you wish for.
01:30:09 Trains pass through this tunnel
01:30:11 three times a day.
01:30:13 The Dark Hedges in Northern Ireland
01:30:15 have a somewhat scary aspect,
01:30:17 especially because of the legend
01:30:19 surrounding this avenue.
01:30:21 Residents say it's haunted
01:30:23 by a ghost called the Grey Lady.
01:30:25 Guess what series was filmed here?
01:30:27 In northern Portugal,
01:30:29 there's a wonderful house
01:30:31 that looks like a prehistoric building,
01:30:33 almost like a cave.
01:30:35 But it's a real house.
01:30:37 It's called Casa do Penedo,
01:30:39 which literally means "House of the Rock,"
01:30:41 and is now a small museum.
01:30:43 From afar, it looks like a huge stone
01:30:45 and is a perfect home
01:30:47 for a mysterious creature.
01:30:49 Another of these homes is in Italy,
01:30:51 somewhere in the middle of the Lake of Aresia.
01:30:53 It's an artificial lake
01:30:55 created after a flood.
01:30:57 This place is famous
01:30:59 for its 14th-century church
01:31:01 which stands in the middle of the water.
01:31:03 And the only time you can walk there
01:31:05 is in winter, when,
01:31:07 what if, the lake is frozen?
01:31:09 A lake you can walk on without fear
01:31:11 is Lake Baikal.
01:31:13 Located in the heart of Siberia,
01:31:15 it freezes every winter.
01:31:17 It's so big that it has 27 islands.
01:31:19 It's also the deepest lake in the world.
01:31:21 It reaches almost 1,640 meters deep.
01:31:23 On our way to hot springs now.
01:31:25 Grand Prismatic Spring
01:31:27 in Wyoming
01:31:29 is the largest spring in the United States
01:31:31 and the third largest water source
01:31:33 of this type in the world.
01:31:35 Don't be afraid to swim there.
01:31:37 Not only is the water boiling,
01:31:39 but you may also have to pay a fine.
01:31:41 But you can swim there safely
01:31:43 from the shore.
01:31:45 Mont Saint-Michel in Normandy
01:31:47 is a perfect fairy tale destination
01:31:49 if you've always wanted to feel like a prince
01:31:51 or a princess.
01:31:53 This beautiful citadel is surrounded by water.
01:31:55 But not all the time.
01:31:57 It all depends on the moon.
01:31:59 The highest tide can be observed
01:32:01 from 6 to 8 p.m. after the full moon.
01:32:03 Most of the time,
01:32:05 it's just a vast desert area
01:32:07 with a few flakes of water.
01:32:09 It's not very romantic,
01:32:11 but a sea of stars is probably even more.
01:32:13 Welcome to the Maldives
01:32:15 on the island of Vaduz.
01:32:17 There, the beaches sparkle blue at night
01:32:19 thanks to the bioluminescent plankton
01:32:21 present in the sea water.
01:32:23 If the stars don't interest you that much,
01:32:25 you may prefer a sky full of balloons.
01:32:27 The Cappadocia, a region of Turkey,
01:32:29 is originally famous
01:32:31 for its incredible rock formations.
01:32:33 But it also attracts visitors
01:32:35 thanks to the wonderful experience
01:32:37 of walking on the clouds.
01:32:39 For those who have always wanted to walk
01:32:41 on the clouds when they look through
01:32:43 the window of a plane,
01:32:45 good news!
01:32:47 You can do it in Bolivia.
01:32:49 It's not a cloud in its own way,
01:32:51 but a very large salt lake.
01:32:53 It's called Salar de Uyuni
01:32:55 and it reflects the sky during the rainy season,
01:32:57 creating this illusion of infinity
01:32:59 and walking on the sky.
01:33:01 In Colombia, don't forget to visit
01:33:03 the sanctuary of Las Lajas.
01:33:05 The water flows very quickly below.
01:33:07 We're back in France,
01:33:09 in Colmar, exactly in Alsace.
01:33:11 Look at these houses,
01:33:13 with coloured wooden facades,
01:33:15 flowery canals and paved streets.
01:33:17 Isn't it beautiful?
01:33:19 Germany is full of cities
01:33:21 with small houses that look like
01:33:23 they're made of spice bread,
01:33:25 and Rotenburg-Op-der-Tauber is no exception.
01:33:27 It's a medieval city,
01:33:29 almost entirely preserved,
01:33:31 with dozens of multicoloured facades
01:33:33 and a lot of houses.
01:33:35 It's particularly magical in winter,
01:33:37 with its snow-covered roofs
01:33:39 and its illuminated Christmas markets.
01:33:41 In Iceland, many houses
01:33:43 have grass roofs.
01:33:45 These houses are called turf houses
01:33:47 and the grass covering them
01:33:49 has multiple functions.
01:33:51 It's not just used for decoration,
01:33:53 but also to protect houses from heavy rain.
01:33:55 The grass grows in foundations
01:33:57 made of lava stones
01:33:59 and must be regularly cut.
01:34:01 The houses are made of a set
01:34:03 of 300 spherical stones of different sizes.
01:34:05 The locals call them "las bolas",
01:34:07 which simply means "balls".
01:34:09 These stones are almost perfectly round.
01:34:11 Some of them are huge,
01:34:13 weighing up to 16 tonnes.
01:34:15 They're made of different materials,
01:34:17 such as gabbro, limestone and chalk.
01:34:19 They're thought to have been
01:34:21 lined up in front of the chiefs' houses.
01:34:23 No one knows for sure where these balls come from,
01:34:25 but some myths claim
01:34:27 they come from the Atlantic.
01:34:29 The Salto Angel in Venezuela
01:34:31 is a paradise.
01:34:33 It's the world's largest
01:34:35 uninterrupted waterfall.
01:34:37 Much higher than the Niagara Falls,
01:34:39 the water falls in cascades
01:34:41 and a large part evaporates as it descends,
01:34:43 creating the illusion of these beautiful clouds.
01:34:45 If you like shiny things,
01:34:47 visit the Crystal Cave in Mexico.
01:34:49 You can only do it under the supervision
01:34:51 of a professional, but it's really worth it.
01:34:53 There's a good chance you've never seen
01:34:55 a crystal twice your size.
01:34:57 In Morocco, there's a town
01:34:59 called Chefchaouen,
01:35:01 where the dominant colour is sky blue.
01:35:03 It's not dark blue or turquoise.
01:35:05 Most of the town's houses
01:35:07 are painted in the most beautiful shade of blue.
01:35:09 It's not easy to get in.
01:35:11 It's located in the Rift Mountains.
01:35:13 Another very blue place
01:35:15 is the Greek island of Santorin,
01:35:17 which is probably a bit easier to get in.
01:35:19 The houses are painted white,
01:35:21 but almost all the roofs are a bright blue.
01:35:23 The white paint is used to reflect the heat
01:35:25 and to take beautiful pictures
01:35:27 on Instagram.
01:35:29 In Slovenia, don't forget to visit
01:35:31 one of the most spectacular places in the world,
01:35:33 Lake Bled.
01:35:35 The colour is really blue,
01:35:37 no photoshop here.
01:35:39 In the middle of the lake,
01:35:41 there's even a small island with a castle
01:35:43 and a few houses.
01:35:45 To make the trip even more enjoyable,
01:35:47 taste a piece of Bled's cream cake,
01:35:49 cooked according to a secret recipe.
01:35:51 When you see a picture of Lake Moraine in Canada,
01:35:53 you'll probably think it was photoshopped
01:35:55 or painted by a professional artist.
01:35:57 But this place is real.
01:35:59 It combines a myriad of shades of blue,
01:36:01 so beautiful that you won't believe your eyes.
01:36:03 Bagan, the mysterious city of Burma,
01:36:05 has all the ingredients to be a fairy tale setting.
01:36:07 Exotic vegetation,
01:36:09 misty mountainous landscapes
01:36:11 and many temples
01:36:13 that you can visit by bike
01:36:15 or fly over in a boat.
01:36:17 The Philippines has
01:36:19 many treasures,
01:36:21 but some beaches are truly
01:36:23 unavoidable.
01:36:25 The hidden beach of El Nido
01:36:27 is a perfect place to enjoy a relatively peaceful time.
01:36:29 The beach is protected from boats
01:36:31 and undesirable weather conditions
01:36:33 by limestone creeks.
01:36:35 In the Italian region of Liguria,
01:36:37 there are dozens of beautiful beaches
01:36:39 that you'll never forget.
01:36:41 The Poet's Gulf in Porto Venere
01:36:43 is one of them.
01:36:45 The beach is located at the foot of a cliff
01:36:47 and there are also underwater caves
01:36:49 where you can swim.
01:36:51 It's called that because the legend claims
01:36:53 that Lord Byron found his inspiration
01:36:55 by swimming across the bay
01:36:57 in search of his muse.
01:36:59 The region of Cinque Terre
01:37:01 is also in Liguria
01:37:03 and isn't far away,
01:37:05 so if you've always wanted to see these
01:37:07 cliffs and sea of Italy in real life,
01:37:09 don't hesitate.
01:37:11 The legend says that sailors painted their houses
01:37:13 with bright colours to find the way back
01:37:15 more easily.
01:37:17 The beach in Scotland could be a perfect setting
01:37:19 for a historical series on knights.
01:37:21 There are probably also fairies
01:37:23 in the Fairy Pools and the Fairy Glens.
01:37:25 The must-have here
01:37:27 is the Old Man of Storr,
01:37:29 a hill that combines rocky walls
01:37:31 and steep slopes.
01:37:33 No legend here, but it's one of the most evocative
01:37:35 and photographed landscapes
01:37:37 on our planet.
01:37:39 At first glance, if you look at this bridge from the ground,
01:37:41 it will seem to be just a stone bridge,
01:37:43 but its main secret is revealed
01:37:45 when you look at it from the water.
01:37:47 The bridge's reflection forms a perfect circle
01:37:49 that looks like a sort of portal
01:37:51 to a hidden underwater world.
01:37:53 It's located in Saxony,
01:37:55 a few kilometres from Berlin and Dresden.
01:37:57 In the north-east of Thailand,
01:37:59 a family of huge stone whales
01:38:01 swim in the forest.
01:38:03 They are part of a rock formation
01:38:05 that is 75 million years old.
01:38:07 A long time ago,
01:38:09 this part of Thailand was just a desert.
01:38:11 The movements of the earth's crust
01:38:13 pushed the sand upwards
01:38:15 to create these fascinating mountains.
01:38:17 Accessible to anyone who wants to spend the day
01:38:19 walking along the trail network,
01:38:21 this site is increasingly popular
01:38:23 with tourists.
01:38:25 Once you've reached the back of one of the whales
01:38:27 and you've seen the endless sea of green
01:38:29 stretching down,
01:38:31 you'll understand why.
01:38:33 Along the way, you'll find waterfalls,
01:38:35 a wide variety of plants and exotic animals,
01:38:37 and at the top of the hill,
01:38:39 you'll even be able to see the neighboring country,
01:38:41 Laos.
01:38:43 The shapes look like those of the whales
01:38:45 swimming together.
01:38:47 No wonder this place is called
01:38:49 the Three Whales Rock.
01:38:51 What a wonderful way to see Thailand
01:38:53 from the back of a giant stone whale.
01:38:55 While digging in a Canadian mine in March 2011,
01:38:57 a worker made an incredible discovery.
01:38:59 He found a specimen of an odosaur
01:39:01 that was almost perfectly preserved.
01:39:03 This extinct dinosaur
01:39:05 weighed about 1,360 kilograms
01:39:07 and was 5.5 metres long.
01:39:09 Although it was over 110 million years old,
01:39:11 the odosaur was so well preserved
01:39:13 that you could clearly see
01:39:15 the heavy shell
01:39:17 and the scaly skin that covered it.
01:39:19 It took almost a year of meticulous work
01:39:21 to uncover this incredible find.
01:39:23 The fossil was finally unveiled
01:39:25 in a Canadian museum in 2017.
01:39:27 Unexpectedly,
01:39:29 the skin analysis revealed nuances
01:39:31 that indicate that the odosaur
01:39:33 was perhaps capable of camouflaging itself,
01:39:35 like geckos and other reptiles.
01:39:37 This is added to the spines and scales
01:39:39 that make it a real assault vehicle.
01:39:41 Still being studied today,
01:39:43 this odosaur could be one of the most important
01:39:45 fossils ever discovered.
01:39:47 Its secrets could help us
01:39:49 to elucidate many more mysteries
01:39:51 of the past.
01:39:53 Voynich's manuscript is the most mysterious
01:39:55 document in the world.
01:39:57 Since its discovery in 1912,
01:39:59 it remains a complete mystery
01:40:01 for all those who study it.
01:40:03 The discovery of the fossil
01:40:05 is a great example of this.
01:40:07 It is abundantly illustrated
01:40:09 with strange images of extraterrestrial plants,
01:40:11 unknown objects and zodiac symbols.
01:40:13 But its most interesting aspect
01:40:15 is its writing.
01:40:17 The language used in the text
01:40:19 is completely indescribable.
01:40:21 No one knows what it means,
01:40:23 who wrote it, or where it was written.
01:40:25 We don't even know
01:40:27 if it was a real functional language
01:40:29 or if it was created for this one text.
01:40:31 The drawings of the different plants
01:40:33 are just as fascinating.
01:40:35 Most of the plants in the manuscript
01:40:37 are identifiable as plants,
01:40:39 but they don't belong to any known species.
01:40:41 In England,
01:40:43 a linguistics professor
01:40:45 claimed to have deciphered
01:40:47 some of the symbols in the manuscript.
01:40:49 But we still haven't been able
01:40:51 to find more information about this mysterious text.
01:40:53 If you ever get the chance to go to Australia,
01:40:55 don't forget to visit
01:40:57 the mysterious craters of Queensland.
01:40:59 Halfway between Bundaberg
01:41:01 and Gingene,
01:41:03 is one of the most disturbing
01:41:05 discoveries of Australia.
01:41:07 In 1971, the site was home
01:41:09 to a farmer who grew zucchini
01:41:11 and potatoes.
01:41:13 As the farmer tried to expand his farm,
01:41:15 he kept hitting large rocks
01:41:17 in his fields as he worked.
01:41:19 Looking closer at the rocks
01:41:21 on his path,
01:41:23 he found marine fossils and strange craters.
01:41:25 The farmer passed on his discoveries
01:41:27 to geology professors
01:41:29 who began studying the formations.
01:41:31 When geologists began digging in the region,
01:41:33 they discovered a huge layer
01:41:35 of chalk and ochre
01:41:37 made up of craters.
01:41:39 There were 35 craters in total,
01:41:41 and the age of the rock layer
01:41:43 was estimated at about 25 million years.
01:41:45 Scientists studying this mystery
01:41:47 believe that hot springs,
01:41:49 ancient oceanic activity,
01:41:51 and meteorites are the main
01:41:53 responsible for the formation of these craters.
01:41:55 And we'd like to know the people
01:41:57 who gave these cities the names
01:41:59 of Bundaberg and Djin Djin.
01:42:01 The Danticiter machine is a kind
01:42:03 of old computer that still disconcerts
01:42:05 scientists by its extraordinary design.
01:42:07 About 2,000 years ago,
01:42:09 a Greek ship sank
01:42:11 off the island of Danticiter.
01:42:13 The wreck was discovered in 1900,
01:42:15 and divers recovered
01:42:17 some of its old artifacts.
01:42:19 When archaeologists began
01:42:21 sorting the wreck's finds,
01:42:23 they came across an object
01:42:25 that seemed to correspond
01:42:27 to anything known at the time.
01:42:29 The wreck was old,
01:42:31 but they found an incredible device
01:42:33 that seemed to be far too advanced
01:42:35 technologically.
01:42:37 The machine operated like a calculator,
01:42:39 allowing its user to track
01:42:41 with astonishing precision
01:42:43 the time, the movement of the stars,
01:42:45 the eclipses, the phases of the Moon,
01:42:47 and even a countdown for events
01:42:49 like the Olympic Games.
01:42:51 This level of technology
01:42:53 was unprecedented in Ancient Greece.
01:42:55 No other mechanism
01:42:57 had come close to such a machine
01:42:59 before the 14th century,
01:43:01 when clockwork clocks
01:43:03 began to be manufactured in Europe.
01:43:05 How was such a device created
01:43:07 so long ago, 1,400 years
01:43:09 before its time?
01:43:11 The wreck of Danticiter
01:43:13 and the loss of the calculator
01:43:15 could have delayed our technological
01:43:17 development by several hundred years.
01:43:19 Meanwhile, the mountains of the Caucasus
01:43:21 and the Black Sea are one of the rare regions
01:43:23 in Europe that has not been affected
01:43:25 by humans, even though the term
01:43:27 "Caucasian" refers to most
01:43:29 people with white skin.
01:43:31 Archaeologists have found
01:43:33 many ancient megalithic structures
01:43:35 in the region. These structures,
01:43:37 similar to houses, commonly called
01:43:39 dolmens, contain jewels,
01:43:41 bronze tools, and various potteries.
01:43:43 Archaeologists do not know
01:43:45 who built them,
01:43:47 why, or for what purpose.
01:43:49 The structures are either two stones
01:43:51 held together by a large stone
01:43:53 made up of roofs, or smaller
01:43:55 stones stacked like a wall
01:43:57 with a hole on one side.
01:43:59 We even found stone caps
01:44:01 to seal what was inside.
01:44:03 What is even stranger
01:44:05 with these formations is that
01:44:07 they are not only found in the Caucasus.
01:44:09 They are found all over the planet,
01:44:11 in Australia, South Korea,
01:44:13 Colombia, Africa, and even in France.
01:44:15 Their function remains
01:44:17 unknown, which opens the way
01:44:19 to many hypotheses.
01:44:21 The discovery of the tomb of the first emperor
01:44:23 of China in 1974
01:44:25 is well documented. Who could
01:44:27 forget the discovery of 8,000
01:44:29 burnt-earth warriors protecting its entrance?
01:44:31 Most of the statues are warriors,
01:44:33 each with a unique facial expression.
01:44:35 There are even horses
01:44:37 and burnt-earth tanks,
01:44:39 just in case.
01:44:41 What we do not know is that
01:44:43 we have not yet entered
01:44:45 the tomb zone.
01:44:47 Archaeologists are reluctant to open the site
01:44:49 because the whole area is unstable.
01:44:51 There could be something
01:44:53 surprising inside, but no one
01:44:55 wants to risk losing such a surprising piece of history.
01:44:57 Soon,
01:44:59 researchers will see tiny robots
01:45:01 in the tombs, still sealed,
01:45:03 to get a better idea of what is inside.
01:45:05 In the meantime,
01:45:07 archaeologists have to wait a little longer
01:45:09 to learn the secrets.
01:45:11 In the south of Costa Rica,
01:45:13 a mysterious collection of stone spheres
01:45:15 has been discovered.
01:45:17 There are more than 300, scattered
01:45:19 in the landscape, and some are almost
01:45:21 2 meters in diameter.
01:45:23 No one knows what they are for,
01:45:25 nor how they were created.
01:45:27 What we know is that the material
01:45:29 they were made of is gabbro,
01:45:31 a volcanic rock.
01:45:33 It would have taken a lot of time and effort
01:45:35 to sculpt the stones into their perfect spherical shapes.
01:45:37 Researchers think
01:45:39 they could have been made by a population
01:45:41 that has now disappeared,
01:45:43 and only used a few tools.
01:45:45 The most credible theory is that
01:45:47 they were used as small stones
01:45:49 to carve out the edges of the rocks,
01:45:51 before using sand to smooth the faces.
01:45:53 Some think they have an astronomical function,
01:45:55 or that they were used as markers
01:45:57 to indicate the way to something,
01:45:59 but no one knows more.
01:46:01 Their significance has been lost
01:46:03 with the civilization that created them.
01:46:05 Off the southern tip of Japan,
01:46:07 and 120 km away from Taiwan,
01:46:09 is the Yonaguni Formation.
01:46:11 A local diver noticed
01:46:13 this formation for the first time
01:46:15 in 1986,
01:46:17 when he was looking for new diving sites
01:46:19 to take tourists there.
01:46:21 Seeing the large steps that looked like
01:46:23 a pyramid, he thought he had discovered
01:46:25 an underwater city.
01:46:27 Some archaeologists think the structures
01:46:29 could be the signs of a legendary
01:46:31 Pacific civilization,
01:46:33 like Atlantis, which disappeared
01:46:35 under the waves thousands of years ago.
01:46:37 There are also marks on the rock
01:46:39 suggesting an excavation work.
01:46:41 Some people even claimed
01:46:43 that human and animal motifs
01:46:45 had been engraved in the rock.
01:46:47 None of this is confirmed
01:46:49 by tangible evidence.
01:46:51 Most experts think the formation
01:46:53 is natural, and that the symmetry
01:46:55 of the rocks was exaggerated.
01:46:57 They are not as straight as reported,
01:46:59 and it seems that they are solid
01:47:01 and natural rocks,
01:47:03 rather than carved blocks.
01:47:05 In the long run, the similarity
01:47:07 with a civilized city would be
01:47:09 a coincidence.
01:47:11 In Turkey, archaeologists thought
01:47:13 they had found the oldest
01:47:15 known architecture in the world,
01:47:17 over 10,000 years old, according to experts.
01:47:19 Found in an area that housed
01:47:21 ancient agricultural communities,
01:47:23 these monoliths, which could reach
01:47:25 5.5 meters high, were probably
01:47:27 used during major events
01:47:29 or rituals. But we don't know
01:47:31 much about these monoliths.
01:47:33 The large stone structure seems to have
01:47:35 a human shape, with animal motifs
01:47:37 carved. Very close, researchers
01:47:39 found traces of habitation,
01:47:41 suggesting that these amazing monuments
01:47:43 could have marked the beginning of the advance
01:47:45 towards modern civilization.
01:47:47 The artifacts of Kinbaya
01:47:49 are among the most interesting
01:47:51 ever discovered. The most curious
01:47:53 is that they look like modern planes.
01:47:55 They have such an aerodynamic shape
01:47:57 that modern scientists think
01:47:59 they could have served as a model
01:48:01 for a functional plane.
01:48:03 In 1994, two aeronautical engineers
01:48:05 created models on a larger scale
01:48:07 of these artifacts.
01:48:09 They proved that models
01:48:11 do fly with a little help
01:48:13 from our modern engines.
01:48:15 And what's really amazing is that
01:48:17 these objects may have been thousands of years
01:48:19 ahead of the first Wright brothers' plane.
01:48:21 Another of the fascinating mysteries
01:48:23 of our world.