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.
Liangzhou District, known as Gudu and Xiutu in ancient times, is located in the longitude of 101 °59 and the latitude of 37 °23 and 38 °12, respectively. It is located in the northwest of Gansu Province, the eastern end of Hexi Corridor, the northern foot of Qilian Mountain and the middle of Wuwei City, with an average elevation of 1632 meters. Liangzhou District belongs to Wuwei City, Gansu Province, bordering Inner Mongolia Autonomous region to the east, Sunan Yugu Autonomous County to the west, Tianzhu Tibetan Autonomous County and Gulang County to the south, and Yongchang County and Minqin County to the north. As of 2014, Liangzhou District has a total area of 5081 square kilometers, living in Han, Hui, Tibetan, Manchu and other 25 ethnic groups, with a total population of 1.0225 million (2012). In 2018, the district has jurisdiction over 37 towns, 2 headquarters and 8 urban subdistrict offices. Liangzhou District has a temperate continental arid climate, 20