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.
Longzi County, which belongs to Shannan City, Tibet Autonomous region, is located in the south of Shannan City, in the eastern part of the northern foot of the Himalayas, bordering Lang County and Jiacha County in the north, Menjiu County in the south, Luoyu County in the east and Cuomei County in the west, Cuona County in the southwest, Qusong County in the north, Nedong District in Shannan City in the northwest, and Milin County in the northeast. Its geographical location is 91 °53km east longitude, 93 °06km east longitude and 28 °07mm north latitude, with a total area of 10566 square kilometers and an actual control area of 8165 square kilometers. As of 2018, Longzi County has jurisdiction over 2 towns and 9 townships. By the end of 2017, the total population of Longzi County was 35858, with a regional gross domestic product (GDP) of 1.099 billion yuan, of which the added value of the primary industry was 64.185 million yuan and the second production was the second.