Qingtianxia ground fissure is 1.5 kilometers long, which is the most peculiar ground fissure in Chongqing. There are many scenic spots such as General Rock and Laojundong. Because of the strong surface water system dissolution, cutting, surface subsidence, the formation of cracks tearing the crust. In the ground crevice, the sky is gloomy, the cliff is steep, the trestle is high, the stalactite posture is thousands of, the line of sky is very spectacular.