16 catastrophic events have occurred on earth capable of destroying 1,000 cities over the last 150,000 years since modern humans have existed, which would explain why we have so little knowledge of our past. Randall Carlson has identified a cycle of catastrophe on planet earth that occurs in 13,000 & 6,000 year cycles that occur on earth.
The recent discovery of 300,000 year old homo-sapiens remains remind us that we are certainly a species of amnesia.
Randall Carlson’s YouTube: https://www.youtube.com/channel/UCYG8YvPCqovDWbmJErYFMjQ Website: http://www.sacredgeometryinternational.com/
I also recommend looking into the works for Graham Hancock: http://grahamhancock.com/
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