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.
Tianjun County, which belongs to Haixi Mongolian and Tibetan Autonomous Prefecture of Qinghai Province, is located in the northwest of Qinghai Lake, the eastern edge of Qaidam Basin, Qilian County and Gangcha County of Haibei Tibetan Autonomous Prefecture in the east, Gonghe County of Hainan Tibetan Autonomous Prefecture and Wulan County of Haixi Mongolian Autonomous Prefecture in the south, West Pedelingha City, and the northwest is bounded by Subei Mongolian Autonomous County of Gansu Province. It is the only animal husbandry county in Haixi Prefecture, and coal and animal husbandry are the main industries. The county has a total area of 25700 square kilometers (2010) and has jurisdiction over 3 towns and 7 townships with a total population of more than 47000 (2010). There are Tibetan, Han, Hui, Mongolian, Salar and other ethnic groups. In 2008, Tianjun County achieved a gross domestic product (GDP) of 1.72 billion yuan. On September 29, 2018, the people's Government of Qinghai Province gave a reply and issued a public notice for approval.