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.
Gannan Tibetan Autonomous Prefecture is an autonomous prefecture under the jurisdiction of Gansu Province, located in the southwest of Gansu Province, located in the northeast edge of the Qinghai-Tibet Plateau and the western part of the Loess Plateau, with high terrain in the northwest and low in the southeast, and has the characteristics of continental seasonal climate. The city has a total area of 38521 square kilometers and has jurisdiction over seven counties and one city, with a total population of 742300 in 2017. In Gannan Tibetan Autonomous Prefecture, there are Gahai-Zecha two national nature reserves, Lianhuashan and Yeliguan National Forest Park, as well as dozens of beautiful natural scenic spots such as Sangke grassland, the first song of the Yellow River, Dayugou and so on. There are 121 Tibetan Buddhist monasteries, including Xiahe Labrang Temple, Zhuoni Zen Temple and Luqu Langmu Monastery, which are protected by national cultural relics. There are more than ten revolutionary historical relics, such as the natural insurance Lazikou and the ruins of the Russian conference, which have the experience of the long March of the Red Army.