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Great Pyramid Mystery Solved?
Posted by: NationalGeographic
Video duration: 291 seconds
Global video hits: 150811
How were the blocks raised to the top of the 489ft Great Pyramid? An architect develops a theory about a snaking internal ramp that's been hidden inside the pyramid for 4500 years.
Unlocking the Great Pyramid :
SUN NOVEMBER 16 9P et/pt
Related: adventure, ancient, anthropology, archaeology, burial, egypt, egyptoloy, events, exploration, forensics, great, history, investigat, kings, lost, of, pharaoh, pyramid, the, unwrapped, valley, world, worlds
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