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.
Zhangye, named after "Zhang Guojie, through the Western regions", is a prefecture-level city in Gansu Province. It is located in the middle of Hexi Corridor in the northwest of Gansu Province. In ancient times, it was called "Ganzhou", that is, the origin of the word "Gan" in Gansu Province. it is known as "the land of mulberry and hemp" and the laudatory name of the land of fish and rice. Rich in wheat, corn, rice, beans, oil, melons and fruits, vegetables, industry has coal, machinery, textile, brewing and other 10 departments. Native products are spring onions, apple pears, Wujiang rice, red dates, Nostoc flagelliforme, silk road spring wine and so on. Zhangye City covers an area of 40874 square kilometers and has a population of 1.31 million. It has jurisdiction over six counties and districts: Ganzhou District, Linze County, Gaotai County, Shandan County, Minle County and Sunan Yugur Autonomous County. By the end of 2017, the resident population was 1.2293 million. There are 38 ethnic groups, including Han, Hui, Tibetan and Yugu.