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.
Biru County is located in the east of Naqu City, Tibet Autonomous region, between Mount Tanggula and Nianqing Tanggula Mountain, and upstream of Nujiang River. The central position of the county government is 93 °68 east longitude & 31 °48 #39;72.84'', north latitude & #39;57.64''. The total area is 11429 square kilometers and the population is 60, 000. The terrain is mainly low mountains and hills, with high mountains and canyons, surrounded by icebergs and snow peaks, with an average elevation of 4000 meters, belonging to the plateau sub-cold or temperate semi-humid monsoon climate zone. The GDP of Biru County in 2014 was 655.4943 million yuan, with a growth rate of 9.28%. The county has jurisdiction over 2 towns and 8 townships, belonging to semi-farmers dominated by animal husbandry.