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.
Yuyang District is located in the north of Shaanxi Province and in the middle of Yulin City, adjacent to Wushen Banner in Inner Mongolia Autonomous region and Hengshan, Mizhi, Jiaxian and Shenmu in Yulin, with a total area of 7053 square kilometers, ranking second in the province. Bounded by the Ming Great Wall, the territory is bounded by the sandy grass beach area along the north, accounting for about 75% of the total area, and the hilly and gully region along the south, accounting for about 25%. Yuyang District has jurisdiction over 21 townships, 10 subdistrict (town) offices, 488 administrative villages and 50 community neighborhood committees, with a registered population of 595200 (2017), including an agricultural population of 357000 (2013) and a resident population of 662000 (2017). Yuyang has a long history and outstanding people, and human beings thrive as early as the Neolithic Age. In the Spring and Autumn period, it has been 20 years since Wei bought the county.