Li Qunyu of Tang Dynasty, Huangfu Ran of Tang Dynasty, Huangfu Ran of Tang Dynasty and Zhu Wan of Tang Dynasty. According to the Fitch Sentences website, famous quotes praising Dunhuang Mogao Grottoes include: Li Qun of the Tang Dynasty. Emperor Huangfu Ran of the Tang Dynasty knew what he was proud of, and his original intention was Yunquan. In the Tang Dynasty, the Pangu root on the Zhuwan stone was said to be born with it. The Mogao Grottoes are located in Dunhuang at the western end of the Hexi Corridor. In 1987, the Mogao Grottoes were included in the World Heritage List as a cultural heritage.