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.
Guazhou County, which belongs to Jiuquan City, Gansu Province, is located at the western end of the Hexi Corridor in Gansu Province, Yumen City, the oil city in the east, Dunhuang City in the west, the Mongolian Autonomous County in Subei in the north and south, and Hami in the northwest. Since ancient times, it has been the transportation hub of east to west and the merchant town of the ancient Silk Road. Guazhou County is 185km long from east to west and 220km wide from north to south, covering an area of 24100 square kilometers. Guazhou County has jurisdiction over 5 towns, 10 townships and 73 administrative villages. at the end of 2011, Guazhou County had a resident population of 149500, including 21 ethnic groups such as Han, Hui, Mongolian and Tibetan, and a minority population of 25000 (2011). Guazhou County has 4 national cultural relics protection units and 16 provincial cultural relics protection units. In 2011, the GDP of Guazhou County reached (G