In 2011, marine biologists produced a baffling discovery—about one,three hundred approximately ideal circles scattered throughout the Mediterranean Sea floor off the coast of Corsica. These formations, some 67 toes wide, sparked a great number of theories: have been they volcanic craters, WWII bomb scars, or a thing even stranger? https://garrettsltw87420.total-blog.com/the-thriller-of-one-300-best-circles-about-the-mediterranean-seafloor-science-unveils-the-truth-58272937