A little over 5 million years ago, water from the Atlantic Ocean found a way through the present-day Strait of Gibraltar.

A little over 5 million years ago, water from the Atlantic Ocean found a way through the present-day Strait of Gibraltar.

At the western edge of the Mediterranean basin, a narrow land bridge once sealed off the Atlantic. We now call it the Gibraltar strait but 5.33 million years ago, it used to be a land bridge ...

If correct, (and some scientists do dispute the theory), the so-called Zanclean megaflood would be the largest single flood recorded on Earth ... well before the glaciations of recent ice ages ...

If correct, (and some scientists do dispute the theory), the so-called Zanclean megaflood would be the largest single flood recorded on Earth. But extraordinary ... roughly 5 and 6 million years ago, ...