Submerged forest off the Norfolk coastline
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Ancient underwater forest discovered off Norfolk coast

26 January 2015 Last updated at 00:28 GMT

Nature experts have discovered a remarkable submerged forest thousands of years old under the sea close to the Norfolk coast.

The trees were part of an area known as 'Doggerland' which formed part of a much bigger area before it was flooded by the North Sea.

It was once so vast that hunter-gatherers who lived in the vicinity could have walked to Germany across its land mass.

The underwater forest was discovered by Dawn Watson and Rob Spray from Sea Search on a diving trip to study marine life.

The prehistoric forest lay undiscovered until it was exposed by the extreme storms along the east of England coast in December 2013.

BBC Inside Out's David Whiteley reveals exclusive underwater footage of the submerged forest which experts believe could date back more than 10,000 years.

Credit: The underwater diving footage is copyright and courtesy of Rob Spray and Dawn Watson.

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