World's second deepest blue hole of 900 ft discovered in Mexico

Reports have it that they are believed to have been formed in the Ice Age, when the sea level was as low as 100–120 m lower than current levels. According to Livescience, the newly found blue hole is around 900 ft deep, located in Chetumal Bay, off the coast of Mexico. At this depth, this hole spans across an area of 147,000 sq ft.

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DIGGIN´ ON BLUE