Introduction to Minjiang River: The Lancang District is located in the southern part of Chongqing City, in the junction of the Sichuan Basin and the Yunnan-Guizhou Plateau. The terrain is high in the south and low in the north, mainly in the mountains and hills. The Minjiang River runs through the north and south, and has tributaries such as Puhe and Qingxi River. Hanjiang District is connected to Nanchuan District in the east, Xishui County and Tonglu County in Guizhou, Jiangjin District in the west, and Banan District in the north. It covers an area of ​​2747.8 square kilometers. By 2010, the resident area was 1,056,800; in 2013, it managed 5 towns and 25 towns, with 365 villages and 90 communities. The tourism resources of the Lancang District are mainly natural landscapes and human resources, mainly including Gujianshan, Dingshan Lake, Baiyunguan, ancient tree fossils, and the tomb of the Shijie Red Army Martyrs.