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.
Binchuan County is one of the counties under the jurisdiction of Dali Prefecture in Yunnan Province. it is located on the edge of the Yunling Hengduan Mountains and the southwest of the Yunnan-Guizhou Plateau on the south bank of the Jinsha River. Most of the main mountains, dams and rivers in the territory run from north to south. The terrain is high from east to west and low in the middle. There are four river systems: Naxi River, Pingchuan River, Qingshui River and Duobeiqing River. The Naxi River is the largest, running through the central dam area of Binchuan, and the Liandong River is the largest tributary. By the end of 2010, the total population of Binchuan County was 351940. Binchuan is a multi-ethnic county dominated by the Han nationality, which is inhabited by 25 ethnic groups. There are Jizu Mountain, a national AAAA-level scenic spot. On September 29, 2018, Binchuan County was approved to withdraw from the poverty-stricken county after being studied by the Yunnan Provincial Party Committee and the Yunnan Provincial Government. December 13, 2018, selected as the dominant area of agricultural products with Chinese characteristics