Zhangye City is located at the northwest part of Gansu Province. It was an important city of the ancient Silk Road, and now it is an key city of the New Eurasian Land Bridge. The second largest inland river-Heihe River runs throughout the whole city. With long history, bright culture and amazing natural and human landscapes, it is also a famous ancient historic and cultural city and excellent tourist city in China. It has enjoyed the reputation as “Jiannan beyond the Great Wall” and “Golden Zhangye” since ancient times. It borders Wuwei and Jinchang at east, Jiuquan and Jiayuguan at west, Qinhai Province at south and Inner Mongolia at north.