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.
Yima City, under the jurisdiction of Sanmenxia county-level city, is located in the west of Henan Province, located in the ancient road, north Yang Shaofeng, south Luoyi. It is 183 kilometers away from Zhengzhou, the provincial capital, between Luoyang, the ancient capital, and Sanmenxia, a new industrial city. With a total area of 112 square kilometers and a total population of 170900 (2014), there are 14 ethnic groups, including Han, Manchu, Mongolia, Uygur, Buyi, Zhuang and Yi. Its non-agricultural population is 161900, and the agricultural population is 9000. Yima City was established with the approval of the State Council in April 1981, under the jurisdiction of Luoyang area. Luoyang area was abolished in 1986 and placed under the jurisdiction of Sanmenxia City. Now it has jurisdiction over five offices: Qianqiu, Changcun, Qianqiu Road, Taishan Road, Chaoyang Road, Changcun Road and Xinyi Street. Yima City is located in the connection between the eastern developed areas and the western resource areas.