The hunter-gatherers who inhabited the area were forced to flee to higher ground in modern Britain and mainland Europe, and by about 6000 B.C.E., Doggerland was almost completely underwater.
Archaeologists call that vanished plain Doggerland, after the North Sea ... with a view to potentially excavating them. The expense of underwater archaeology and the poor visibility in the North ...
A new documentary looks into an underwater 'UFO base' near England ... Christopher refers to the enigma of 'Doggerland,' the area of landmass that is now covered by the North Sea.