In 2011, Marine biologists made a baffling discovery—in excess of one,300 nearly fantastic circles scattered over the Mediterranean Sea floor from the Coastline of Corsica. These formations, some 67 ft vast, sparked many theories: had been they volcanic craters, WWII bomb scars, or one thing even stranger? On this https://medium.com/@perfectseoservice2017/the-thriller-of-one-three-hundred-best-circles-on-the-mediterranean-seafloor-science-unveils-the-f6327a72d07b