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Blue hole in South China Sea officially world's deepest

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2019-01-22 08:53:40Global Times Editor : Li Yan ECNS App Download
A view of the newly named Sansha Yongle Blue Hole in Xisha Islands in Sansha City, South China's Hainan Province, July 24, 2016. The almost vertical blue hole, located at 16°31'30?north latitude and 111°46'05?east longitude, measures 130 meters in diameter at the top entrance and 36 meters at the bottom, and is not connected with the ocean. It's said to be the deepest blue hole in the world. (Photo/China News Service)

A view of the newly named Sansha Yongle Blue Hole in Xisha Islands in Sansha City, South China's Hainan Province, July 24, 2016. The almost vertical blue hole, located at 16°31'30?north latitude and 111°46'05?east longitude, measures 130 meters in diameter at the top entrance and 36 meters at the bottom, and is not connected with the ocean. It's said to be the deepest blue hole in the world. (Photo/China News Service)

Sansha Yongle Dragon Hole, which is 300.89 meters deep, is now officially the deepest ocean blue hole in the world, China's National Marine Environmental Forecasting Center (NMEFC) announced on its Wechat account on Sunday.

The hole is located in the Xisha Islands in Sansha, South China's Hainan Province, in the South China Sea. It had exceeded the Bahamas' Dean's Blue Hole of 202 meters in depth, according to the NMEFC. 

The almost vertical blue hole measures 130 meters in diameter at its top entrance and 36 meters at the bottom. The NMEFC has detected obvious water flows in the hole. Pictures reveal that the blue hole seems eerily like a time capsule, with the water creating a striking contrast to the turquoise that surrounds it.

At least 20 kinds of ocean species live at the upper section of the hole, according to the NMEFC. A blue hole is a type of rare natural geographical phenomenon and is considered to be "the last mystery that protects the universe's secret of the earth."

Most blue holes are formed from sinkholes or caves that develop slowly over time, as rock begins to erode and collapse. The term blue hole simply comes from the dark, navy waters that characterize these formations, according to National Geographic in 2017.

The hole is of great scientific research value, and historical and cultural value. It demonstrates China's achievement in its history of sea protection, the NMEFC said.

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