In 2011, Marine biologists built a baffling discovery—above 1,three hundred nearly excellent circles scattered throughout the Mediterranean Sea floor from the coast of Corsica. These formations, some sixty seven feet broad, sparked a great number of theories: had been they volcanic craters, WWII bomb scars, or anything even stranger? https://medium.com/@perfectseoservice2017/the-thriller-of-one-three-hundred-best-circles-on-the-mediterranean-seafloor-science-unveils-the-f6327a72d07b