Zhangjiajie city is situated in the northwest of Hunan Province, covering an area of 4,536 square kilometers with the total population of 1,540,000 and here live some nationalities of Han, Tujia, Miao and Bai. It named after Zhangjiajie National Forest Park, which is the first Chinese national forest park. Its climate belongs to a subtropical monsoon humid climate and annual average temperature is