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.
Henan Mongolian Autonomous County is the only Mongolian Autonomous County in Qinghai Province, commonly known as "Henan Mengqi", which has the highest proportion of Mongolian population in China. It is located in the southeast of Qinghai Province, facing Xiahe County and Luqu County of Gannan Tibetan Autonomous Prefecture of Gansu Province to the east, Maqu County of Gannan Tibetan Autonomous Prefecture of Gansu Province to the south, Maqin County of Guoluo Tibetan Autonomous Prefecture of Qinghai Province and Tongde County of Hainan Prefecture in the southwest, adjacent to Zeku County in the north, located in the joint of three provinces of Qinghai and Gansu, known as the south gate of Qinghai Province. The county covers a total area of 6997.45 square kilometers and is 3600 meters above sea level. It has jurisdiction over one town, four townships, two communities, 39 animal husbandry committees, 135 animal husbandry cooperatives and four Tibetan Buddhist monasteries. As of 2011, the total population was 40, 000, of which 93.21% were Mongolians. Henan County is the largest organic animal husbandry student in China.