Gravitas | World’s largest Blue Hole discovered in Mexico | WION
The World’s deepest blue hole has been discovered in Mexico. Researchers have reached 1,380 feet or 420 metres below sea level, but it is not the end of the hole. The latest expedition was aimed at surveying environmental conditions in Taam Ja’. Molly Gambhir tells you more. #bluehole #mexico #gravitas About Channel: WION The World…