In 2011, Maritime biologists made a baffling discovery—around one,three hundred approximately great circles scattered over the Mediterranean Sea floor off the coast of Corsica. These formations, some 67 feet vast, sparked plenty of theories: were they volcanic craters, WWII bomb scars, or one thing even stranger? In this particular https://medium.com/@perfectseoservice2017/the-thriller-of-one-three-hundred-best-circles-on-the-mediterranean-seafloor-science-unveils-the-f6327a72d07b