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Lex Fridman Podcast

#449 – Graham Hancock: Lost Civilization of the Ice Age & Ancient Human History

9228.919 - 9249.949 Graham Hancock

If you're going to carry blocks weighing up to two or three tons right to the top of the Great Pyramid to complete your work, you're going to need a ramp that's going to extend out into the desert for more than a mile at a 10-degree slope. And it's calculated that a 10-degree slope is about the maximum slope that human labor can haul objects up a ramp.

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