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.
Qushui County, under the jurisdiction of Lhasa City, Tibet Autonomous region, is located in the hinterland of Tibet, the lower reaches of the Lhasa River and the north bank of the middle reaches of the Brahmaputra River. it belongs to the valley of the middle reaches of the Yarlung Zangbo River, mostly flat and semi-arid in the temperate zone, with a total area of 1680 square kilometers. it has jurisdiction over one town and five townships, with a registered household population of 37290 in 2018. Qushui, known in Tibetan as "Jimai", which means "the state where rivers meet", has been a transportation hub connecting Lhasa and Shannan, Nyingchi and Xigaze since ancient times. In 2016, Qushui County was listed as the second batch of national comprehensive pilot areas for new urbanization. In October 2018, the people's Government of Tibet Autonomous region formally approved the withdrawal of Qushui County from poverty-stricken counties (districts). In 2018, the gross domestic product (GDP) of Qushui County was 16. 5%.