Zhangye color hills China first. The largest observation deck in the scenic spot No. 1 has the most points to see. It is best to go in the evening. The mountain of the observation deck on the 1st is higher. After watching it, go to the observation deck on the 4th. You can just see two better scenery. The observation deck on the 2nd is best to get the sun after 9 am. There are 3 entrances in the scenic spot, respectively, the order of the east gate, the west gate, the north gate, and the battery car will be different. Arrangements are made when visiting.