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.
Bayi District, which belongs to Linzhi City, Tibet Autonomous region, is located in the southeast of China's Tibet and at the southeast foot of the Nianqing Tanggula Mountains. Yarlung Zangbo meets the Niyang River here. It is the lowest elevation area of the Qinghai-Tibet Plateau and is known as "Jiangnan of Tibet". Bayi District covers an area of 10238 square kilometers, with a cultivated land area of 38000 mu, a grassland area of 565000 mu and a forest area of 5.02 million mu. The average elevation of Bayi District is 3000 meters above sea level, with a relative height difference of 2200-4700 meters. It is located at the peak of Garabaili at the junction of Bayi and Milin, with an elevation of 7294 meters. Plants grow from the subtropical zone to the cold zone, known as the "green treasure house". In 2014, the GDP of Bayi District (formerly Linzhi County) reached 4.555 billion yuan, and the financial revenue broke through the 100 million yuan mark for the first time, reaching 1.2 million yuan.