At 8:30 am, our professional tour guide will meet you in your Dunhuang hotel, by car / bus to the Yulin Grottoes, during the 2.5 hours trip, you will see the vast Gobi and desert, village, grassland and snow mountain on the way. The grottoes were opened on the cliff of a valley, the cave 25 is the most complete preservation. Murals in these grottoes which consist of huge scripture drawings, portraits of Buddha etc. reveal the highly developed art of painting in the Tang Dynasty more than 1300 years ago. Scripture drawings on the southern and northern walls of cave 25 are big ones. These colorful, especially line drawings are rare.