Wuxi Lanying Grand Canyon, Chongqing. It is located in Wuxi County Shuangyang Township, Lan Ying Township, “Chongqing first deep valley,” the reputation. The canyon is more than 100 kilometers long, at the bottom of the narrow only 13 meters, the average depth of more than 1500 meters, the deepest reaches more than 2400 meters.
