Longgang, Yunyang, Chongqing 重庆云阳龙缸
Longgang, at Qingshui in southeastern Yunyang County, is a karst landscape. Its centrepiece, the Longgang sinkhole, is about 335 m deep with almost vertical walls; there are also the Shisun River gorge and a skywalk bridge projecting from the cliff. The area forms the core of the Yunyang Longgang National Geopark.
