Britain's Stone Age Tsunami: Tony Robinson reveals astonishing new evidence that shows how, 8000 years ago, a huge tsunami swamped the east coast of Britain. The new research also explains the tsunami's cause, and transforms our understanding of the people whose lives it devastated. Like recent tsunamis in the Indian Ocean and Japan, Britain's tsunami was a phenomenally destructive force, with waves as high as 10 metres in many places.

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