Vast land that slipped beneath North Sea 8,000 years ago reveals its secrets A vast plateau of land between England and the Netherlands was once full of life before it sank beneath what is now the North Sea some 8,000 years ago. Archaeologists now hope to find out what the vast landscape looked like before it slipped beneath the salty water so long ago. To do this, they’ve hauled up cores of sediment from the bottom of the North Sea…