Introduction to Tengchong: Tengchong County is located in the southwestern part of Yunnan Province and belongs to Baoshan City. Its name begins with the "Old Tang Book". It has changed since the Western Han Dynasty. In 1913, Tengchong County was established. Tengchong County is a famous hometown of overseas Chinese, a state of literature and a jade distribution center. It is also a provincial historical and cultural city. Tengchong was called Yueyue in the Western Han Dynasty, and Tengchong House was set up in the middle of Dali. Due to the importance of location, the dynasties were heavily stationed in the Qing Dynasty. In the Ming Dynasty, the Stone City was also built, which was called the "First City of the Extreme Side." As of 2013, the territory of Tengchong County was 5,845 square kilometers, and the national border was 148.075 kilometers long. It consists of 11 towns and 7 townships, and is home to 25 ethnic groups including Han, Hui, Yi, Yi, Yi and Achang. The main tourist attractions in Tengchong County include Volcanic Group National Park, Dieshuihe Waterfall, Beihai Wetland Reserve, Guoyu Cemetery, and Ai Siqi's former residence.