Graham Hancock argues that an advanced global civilisation was largely destroyed during the Younger Dryas changes beginning about 12,800 years ago.

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"Graham Hancock argues that an advanced global civilisation was largely destroyed during the Younger Dryas changes beginning about 12,800 years ago."

Hancock states that an advanced global civilisation flourished in remote prehistory and was almost completely wiped out during the Younger Dryas changes.

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Source title Stuff just keeps on getting older — the peopling of the Americas

Source authors Graham Hancock

Source year 2016

Confidence high

Importance mid