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  • 2 days ago

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00:00Sacsayhuaman, the fortress that laughs at earthquakes.
00:03In Peru, ancient builders place stones weighing over 100 tons, with zero mortar.
00:08They fit so perfectly, not even a credit card can slide between.
00:11Every quake fails to move them, but modern buildings crumble.
00:14So how did the ancients make earthquake-proof architecture, with no machines?
00:17We call them primitive, but the stones say otherwise.