Wucaiwan is located in the Gurban Tonggut Desert more than 100 kilometers north of Jimsar County, Xinjiang. It is the most beautiful Yadan landform in Xinjiang. The ancient geological lifting movement makes the rocks under the ground bare under high temperature and pressure, showing a colorful color. The main tone is brown red, mixed red yellow green, white blue black, in the four seasons and light and shadow, the view is great.