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.
Tongwei County, which belongs to Dingxi City, Gansu Province, is located in the middle of Gansu Province and on the east side of Dingxi City. It has a history of more than 2100 years since the third year of Yuan Ding of Han Dynasty (114 BC). Tongwei County, with a total area of 2908.5 square kilometers, has jurisdiction over 18 townships, 332 villages and 10 communities. The county government is stationed in Pingxiang Town, with a resident population of 407900 at the end of 2017. Tongwei County is located in the hilly and gully region of the Loess Plateau, with grass and livestock, corn, potatoes, traditional Chinese medicine, small grains, fruits and vegetables and other characteristic advantage industries. Tongwei County is "the hometown of Chinese calligraphy and painting", "the hometown of Chinese folk culture and art", "the hometown of Chinese calligraphy", "the hometown of Chinese poetry", "the advanced county of national sports" and "the advanced county of national grain production". In 2011, it was listed as a series of concentrated films in Liupanshan District by the state.