Chongqing, one of the four municipalities of China, is the economic and financial center on the upper reaches of the Yangtze River. Located in the subtropical monsoon climate area, it has mild and humid climate, endowed with beautiful landscapes. With the Yangtze River Three Gorges as the representative, Chongqing owns both cultural landscapes such as Ba-Yu culture, support capital culture and ethnic culture, and natural beauty combining mountains, rivers, forests, springs, waterfalls, gorges and caves.