What is the biggest mountain city in China?

Mountain city is another name for Chongqing urban area. In fact, the mountain city is a form of building a city. Because downtown Chongqing is the most famous mountain city in China, mountain city refers to downtown Chongqing at some time. There are many other "mountain cities" in China, such as Fuling and Wanzhou in Chongqing, and Qingdao Old Town in Shandong, all of which are built by mountains. Chongqing is a comprehensive transportation hub in the southwest of China, connecting east and west and north and south. Jiangbei International Airport is an important airport in the inland of China, and Orchard Port is an important port in the inland of the Yangtze River. Chongqing is located in the east of the basin, and its topography inclines from north to south towards the Yangtze River basin, with hills and mountains as the main landforms, with mountains accounting for 76%. The climate is warm in winter and early in spring, hot in summer and cool in autumn. The Yangtze River traverses the territory with a flow of 679 kilometers.