Photos World’s second deepest 900 feet Blue Hole found in Mexico Asteroid that kills dinosaurs was fell here

In 2016, fishermen and divers discovered the world’s deepest blue hole. The depth of this blue hole located in the South China Sea was estimated to be 300.89 meters (987 feet). It is called Dragon Hole. Now the world’s second deepest blue hole has been discovered. This blue hole has been discovered in Mexico’s Chetumal…

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