Japanese Underwater Geometric Structures precedes Pyramids by 5000 years

On the sea floor he found vast geometric structures cut out of the rock. There was evidence of stairs, and improbable angles in the stone. Efforts to date the monument are derived from the last time the area was above sea level, which would have been approximately 8,000-10,000 years ago
– about 3-5 millennia before Egypt's pyramids were erected

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