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.
Huanxian County, which belongs to Qingyang City, Gansu Province, is located in the east and northwest of Gansu Province, between 36 °1 & #39;-37 °9 & #39;, east longitude 106 °21 & #39;-107 °44 & #39;, east of Huachi County of Gansu Province and Dingbian County of Shaanxi Province, Qingcheng and Zhenyuan County of Gansu Province to the south, Yuanzhou District and Tongxin County of Guyuan City of Ningxia in the west, and Yanchi County of Ningxia to the north. It is about 124km wide in the east and west and 127km in length from north to south, with a total area of 9236 square kilometers. As of 2017, the total population is 361000, mainly Han nationality, including Hui, Mongolian, Tibetan, Uygur, Miao, Yi, Zhuang, Buyi, Korean, Manchu and Dong.