French marine archaeologists have discovered a massive undersea wall off the coast of Brittany, dating from around 5,000 BC.
They think it could be from a stone age society whose disappearance under rising seas was the origin of a local sunken…
French marine archaeologists have discovered a massive undersea wall off the coast of Brittany, dating from around 5,000 BC.
They think it could be from a stone age society whose disappearance under rising seas was the origin of a local sunken…