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Sciences > Sciences (Other) The building of the Egyptian pyramids

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It is generally accepted that the larger Egyptian pyramids were constructed using mud rubble ramps to move the stone blocks to the placement level. This theory lacks credibility. The single ramp illustrated in many references would have to be about a mile long and a hundred yards wide at the base in order to reach the top of the largest pyramid. Placing and removing this enormous amount of material by hand labor is clearly impractical, if not impossible. In addition, the ramp would have to be maintained as a smooth surface to allow the movement of the stone blocks. A mud surface is too soft...

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