Nan Grottoes Temple, located on the north bank of the Luohe River,7.5 kilometers east of Luanchuan County, Pingliang City, Gansu Province, was built in Yongping, Northern Wei, for three years (510 AD), and is a key cultural relics protection unit in the country. The Nan Grotto Temple, built by Zhangzhou Assassin Shi Yukang, was built three years ago by Yongping, Beiwei, and is known as the "Shuangming Pearl of the East Grottoes" along with Qingyang North Grottoes. The Nan Grottoes, the existing five Grottoes, all sit north and south, and the No. 1 Dongda Grottoes and No. 2 West Grottoes are relatively intact. Dongda Grottoes is the main cave of Nanshi Grotto Temple. There are seven Buddha statues and 13 Bodhisattvas in different shapes and lifelike, all in the style of Northern Wei. The Nanshi Grotto Temple is preserved in the cave. There is a title of "Three Years of Great Wei Yongping", which is built a year later than the Beishi Grotto Temple.