Scientists recently discovered a nearly kilometer-long wall about 6 miles off the German Baltic coast. It’s currently 60 feet underwater, but scientists believe that it was built in a lake or marsh sometime before 8000 BCE. Wild.
Scientists recently discovered a nearly kilometer-long wall about 6 miles off the German Baltic coast. It’s currently 60 feet underwater, but scientists believe that it was built in a lake or marsh sometime before 8000 BCE. Wild.