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.
Ningxia Hui Autonomous region, referred to as Ning, is one of China's five autonomous regions, the capital of Yinchuan. It is located in the inland area of northwest China, bounded by latitude 35 °14 & # 39 in north latitude and longitude 104o 17 & # 39 in east longitude, bordering Shaanxi in the east, Inner Mongolia in the west and Inner Mongolia in the north and Gansu in the south. Ningxia Hui Autonomous region has a total area of 66400 square kilometers. The topography of Ningxia is gradually inclined from southwest to northeast, with numerous hills and gullies. The topography is divided into three major plates: the Yellow River diversion irrigation area in the north, the arid zone in the middle and the mountain area in the south. Ningxia is located in the Yellow River system, the terrain is high in the south and low in the north, showing a ladder-like decline, the whole region belongs to temperate continental arid and semi-arid climate. By the end of 2018, Ningxia Hui Autonomous region had jurisdiction over 5 prefecture-level cities, 9 municipal districts,