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Old forest submarine off the coast of Norfolk

26 January 2015 Last updated at 0.28 clock GMT

Nature experts have found a remarkable forest swallowed thousands of years under the sea near the coast of Norfolk.

The trees were part of an area as a "Doggerland" which is part of a much larger before it was flooded by the North Sea known.

Ever was so great that hunter-gatherers who lived in the neighborhood could have gone in the continental area to Germany.

The underwater forest was of Dawn and Rob Watson of Sea Spray research on a diving trip discovered marine life to investigate.

The prehistoric forest was unknown until exposed to extreme along the east coast of England in December 2013 storms.

David Whiteley BBC Inside Out is unique underwater images underwater forest, the experts believe there could be more than ten thousand years.

Credit: diving images are copyrighted and courtesy of Rob Spray and Dawn Watson.

Inside Out is afterwards on BBC One East, Monday, January 26th at 19:30 GMT and the country iPlayer for 30 days.