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It has a seismic velocity
of about 200 meters per second
of about 200 meters per second
Full Transcript
00:00:01.000 --> 00:00:04.008
It has a seismic velocity
of about 200 meters per second.
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Movie Summary
What if everything we know about prehistory is wrong? Journalist Graham Hancock visits archaeological sites around the world investigating if a civilization far more advanced than we ever believed possible existed thousands of yea...