The “Guizhou Cave Scientific Expedition Team in 2003” is composed of the CAS Institute of Geology and Geophysical Research and French cave alliance in 2003. They found a 424 meters natural deep cave which can use a single rope to reach the end in Yu Ni rural, Panxian County. The cave is 14 meters deeper than the world's first deep natural wells cave Mexican Biaho (natural depth is 410 meters). In addition, the final depth of Bai Yu Cave is 560 meters. |