Furong Cave
Furong Cave () is a karst cave located on the banks of the Furong River, from the seat of Wulong District, Chongqing, People's Republic of China. History. First discovered by local farmers in 1993 the cave was opened to tourists in 1994. It became a national 4A tourist site in 2002 then in June 2006 part of the South China Karst UNESCO World Heritage Site ; the only cave in China on the UNESCO list. In 1994, 1996 and 2001, cave experts from countries including China, the UK, USA, Ireland and Australia undertook comprehensive explorations of the cave. Description . Furong Cave has a total length of and a width varying from –. Inside, the cave is divided into three sections, with the first featuring colorful subterranean features. The remaining two areas focus on the science of cave formation. There are more than 30 features inside the cave including the , stone waterfall () at the foot of which coral-like projections extend to . In the vicinity of the cave spread over a total area of around , there are more than 50 vertical shafts with a depth of over . including the deep Steam Shaft (), the deepest in Asia. Formed during the Cambrian/Ordovician  Periods some 500 million years ago, the cave features numerous rarely found speleothems including coral and dog-tooth like crystalline calcite flowers as well as a variety of helictites, and crystalline gypsum flowers.