Wichita (/ˈwɪtʃɪtɔː/ WITCH-ih-taw) is the largest city in the U.S. state of Kansas and the county seat of Sedgwick County. As of the 2020 census, the population of the city was 397,532. The Wichita metro area had a population of 647,610 in 2020. It is located in south-central Kansas on the Arkansas River.
Wichita began as a trading post on the Chisholm Trail in the 1860s and was incorporated as a city in 1870. It became a destination for cattle drives traveling north from Texas to Kansas railroads, earning it the nickname "Cowtown". Wyatt Earp served as a police officer in Wichita for around one year before going to Dodge City.
Longchuan, known as "Yuanyuan" in Dai language, means the place where the sun shines. Dehong Prefecture, Yunnan Province, is located in the southwest border of China, connected with Myanmar by mountains and rivers and buildings. The border is 50.899 kilometers long, with a land area of 1931 square kilometers and a total population of 181580 (2010). The county seat Zhangfeng is 779km away from Kunming, the provincial capital. It is the end of China's southwest border. Longchuan County has jurisdiction over eight townships and four towns and one state-owned farm, with a total area of 1913 square kilometers, with an area of 350000 mu of arable land, with a per capita cultivated land of nearly 3 mu. The county has a total population of 180000, including 120000 agricultural people. The main ethnic minorities in the territory are Jingpo, Dai, Achang, Lisu, Deang and Hui, which have the largest population distribution of Jingpo and Achang in China. Longchuan is a typical frontier multi-ethnic farmer.