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.
Basu County, which belongs to Changdu, Tibet Autonomous region, is located in the east of Tibet Autonomous region and southeast of Changdu. It is located in the upper reaches of the Nujiang River. Baima Town, where the county seat is located, is 3260 meters above sea level. It is bordered by Zuogong County and Chaya County to the east, Chayu County to the south, Luolong County and Linzhi City to the west, Karuo District and similar Wuqi County to the north. The county covers an area of 12564.28 square kilometers (2014). The county is 210km long from north to south and 80km wide from east to west. it has jurisdiction over 4 towns and 10 townships, with a total population of 39021 (2010), including 19790 males and 19231 females, with a total of 6999 households. There are Hengduan Mountains in the southwest of Basu County and Nujiang River in the northeast. The climate type is the plateau temperate zone semi-arid monsoon climate, and the county government is located in the town of Baima from the municipal government of Changdu.