In 2011, marine biologists produced a baffling discovery—about one,300 virtually great circles scattered through the Mediterranean Sea flooring off the Coastline of Corsica. These formations, some sixty seven feet broad, sparked a great number of theories: have been they volcanic craters, WWII bomb scars, or a thing even stranger? https://elliottdzyt89999.wikiitemization.com/4790585/what_happens_if_your_bárðarbunga_volcano_in_iceland_erupts