Using the VideoRay Pro 4, an underwater robot carrying a depth sensor, Chinese researchers at the Sansha Ship Course Research Institute for Coral Protection, found out that the blue hole is 300.89 ...
Located in Chongqing Municipality, the Xiaozhai Tiankeng is one of the world’s largest sinkholes. Measuring 626 meters deep and 527 meters across, it conceals an underground ecosystem that has drawn ...
A team of cave explorers has uncovered a hidden forest deep inside a massive sinkhole in southern China. More than 600 feet below the surface, a dense and towering ecosystem had been quietly evolving ...