Chile's unique Atacama desert sullied by world's junk
It may be one of the driest places on Earth -- a brutal, alien landscape where life seems impossible. But Chile's massive Atacama Desert is a unique and fragile ecosystem that experts say is being threatened by piles of trash dumped there from around the world. Mountains of discarded clothing and rows upon rows of scrapped tires and cars blight at least three regions of the desert in northern Chile.