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.
Gansu District, which belongs to Zhangye City, Gansu Province, is located in the middle of Qianhe West Corridor, between 100 °6km east longitude and 100 °52m north latitude, 38 °32' north latitude between Ganzhou District-39 °24', south by Qilian Mountain and north by Alashan right Banner in Inner Mongolia. Ganzhou District has a continental climate. There are 4 major rivers and 26 seasonal rivers in the territory, with a runoff of 1.66 billion cubic meters, groundwater reserves of 990 million cubic meters and arable land of 686200 mu in 2012. In 2012, Ganzhou District completed a GDP of 2.531 billion yuan, accounting for 78.8% of the planned GDP, an increase of 10.1% over the same period last year, including 808 million yuan for the primary industry, 766 million yuan for the secondary industry and 766 million yuan for the tertiary industry.