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.
Yongjing County, which belongs to Linxia Hui Autonomous Prefecture of Gansu Province, is located in the southwest of central Gansu, in the north of Linxia Hui Autonomous Prefecture, bordering Lanzhou in the northeast, Liujiaxia Reservoir (now known as Bingling Lake) in the south, and Minhe County in Qinghai Province in the northwest. It is located between longitude 102 °53'E and latitude 35 °47'N and latitude 36 °12'N, with a total area of 1863.6 square kilometers (2010). The population is 205600 (2012). In 2012, Yongjing County achieved an annual GDP of 330 million yuan. Yongjing County has Liujiaxia, Liujiaxia Dinosaur National Geopark, Bingling Temple Grottoes and other famous scenic spots. Yongjing County, known as "Hezhou North Township", is one of the first counties open to the outside world, a key county for poverty alleviation and development, and also a Liujiaxia and salt pan.