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.
Lingtai County is an escrow county of Pingliang City, Gansu Province, located in the southeast of Gansu Province, bordering Changwu, Bin County, Linyou, Qianyang and Longxian of Shaanxi Province in the southeast, and Chongxin and Jingchuan County of Gansu Province in the northwest. The geographical coordinates are 107 °00 east longitude 107 °57km east longitude, 34 °54km north latitude, 35 °14km north latitude, 78 km east-west length, 40 km north-south width, and a total area of 2038 square kilometers. As of 2012, Lingtai County has jurisdiction over 5 towns, 8 townships, 1 street, a total of 4 communities, 1429 administrative villages and 1429 village groups, with a total population of 229752, most of whom are Han nationality, accounting for 96.7%. Ethnic minorities are Hui, Tibetan, Manchu, Miao, Mongolian and so on, accounting for 3.3%. In 2012, Lingtai County realized the regional gross domestic product (G