Water curtain cave grottoes group, the Luohe River basin after the Maijishan grottoes large grottoes group, there is the world's largest open-air cliff relief Buddha, in the height and width of 60 meters on the concave cliff surface, relief mud molded a Buddha and two Bodhisattva, the Buddha through height 42.3 meters. The water curtain cave group was built in the post-Qin of the 16th country. It was rebuilt from the Northern Wei, Beizhou, Yi, Tang, and the Five Dynasties to the Song, Yuan, Ming and Qing Dynasties. There are seven temples and five stations in existence, four units of water curtain cave, pulls up temple, thousand Buddha cave, and Xiansheng Pool. Eight relief and semi-circular sculpture pagodas, more than ten ancient buildings, 12 Sheli Towers, inscription 29 links, is an open-air grotto temple that combines reliefs, caves, suspension, murals, and only in the country. According to the "Wushan County Zhi", Gomorash from Guizi to Guzun (now Wuwei), and then through the Wushan County area, then arrived in Chang'an. In the water curtain cave, the Fan Palace monk house, so that the Lashao Temple reputation is far away.