In 2011, Maritime biologists designed a baffling discovery—more than 1,300 approximately ideal circles scattered throughout the Mediterranean Sea ground from the coast of Corsica. These formations, some 67 feet vast, sparked plenty of theories: ended up they volcanic craters, WWII bomb scars, or something even stranger? Within this video https://medium.com/@perfectseoservice2017/the-thriller-of-one-three-hundred-best-circles-on-the-mediterranean-seafloor-science-unveils-the-f6327a72d07b