'Britain's Atlantis' found at bottom of North sea - a huge undersea kingdom swamped by a tsunami 5,500 years ago

'Britain's Atlantis' found at bottom of North sea - a huge undersea kingdom swamped by a tsunami 5,500 years ago | Mail Online: "'Britain's Atlantis' - a hidden underwater world swallowed by the North Sea - has been discovered by divers working with science teams from the University of St Andrews.Doggerland, a huge area of dry land that stretched from Scotland to Denmark was slowly submerged by water between 18,000 BC and 5,500 BC."