According to Xinhua News , Dragon Hole, or Longdong, is 987 feet (300.89 meters) deep, far deeper than the previous record holder, Dean's Blue Hole in the Bahamas. (That blue hole measures about 663 feet, or 202 m, deep.) According to..."
http://www.cbsnews.com/news/worlds-deepest-blue-hole-found-in-south-china-sea/
-vk-
