TIME SONG: SEARCHING FOR DOGGERLAND

The story of Doggerland - a huge, fertile area that connected the entire east coast of England with mainland Europe until it was submerged around 5000 BC. Julia Blackburn discovers human footprints fossilised in an estuary eight thousand years ago, visits a cave where the remnants of a Neanderthal meal have turned to stone, and sits beside Tollund Man, who has lain in a peat bog since the start of the Iron Age - and proves herself again to be one of the most original writers in Britain.