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Scientists have had to piece together clues as to how pyramids were constructed.
Transcript
00:00How were the Egyptian pyramids built?
00:04Building the pyramids was, understandably, a colossal undertaking.
00:08Aside from feeding a labor force of 10,000 people
00:12and constructing temples, cemeteries, and boat pits near the pyramid,
00:16how exactly did the Egyptians build these titanic structures?
00:20The process began when workers cut stone blocks from a quarry near modern-day Cairo
00:25and used boats to ship the blocks along the Nile River to Giza.
00:29These blocks were enormously heavy,
00:32so workers in Giza piled them onto large, sled-like vehicles called sledges
00:36that laborers could either push or pull to the construction site.
00:40These sledges were heavy, but a clever trick likely helped laborers move them.
00:45Illustrations from ancient Egypt show that workers poured water in front of the sledges to dampen the sand,
00:51making the sledges easier to move.
00:53Modern experiments show that this method greatly reduces friction
00:57and halves the number of workers needed to move a load.
01:00Once the stones arrived at the pyramids, workers used a system of ramps to haul up the stones.
01:06Little evidence of these ramps survived,
01:09but scientists are now scanning and reconstructing the pyramids
01:12with the hopes of figuring out this mystery.
01:15Projects such as these may also reveal previously undiscovered chambers within the pyramids.
01:19Stay tuned, because if they do, live science will cover it.
01:23Egypt's pyramids? Just another one of life's little mysteries.
01:26I have no idea why.
01:26I am a great dude.
01:28And we'll be at the forefront of the genocide from just another one.
01:28And we'll be at the forefront of the farm.
01:28And we will be at the forefront of the woodland.
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