Unlocking the secrets of a prehistoric civilisation
Horizon meets the scientists at the forefront of Stone Age exploration. New technologies are helping them to see the Earth during a previous age.
Ancient DNA from the seabed reveals landscapes that in the prehistoric past were joined to continents, linking hunter-gatherer groups together. And chemical analysis of bones offers evidence of where these lost people came from. The results are controversial - who were the real bringers of civilisation?
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