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.
Huaibei, referred to as "Huai", called "Xiangcheng" in ancient times, is a prefecture-level city in Anhui Province. The central city in the northeast of Anhui Province, an important energy city in the country. Located in the north of Anhui Province, it is located at the junction of Jiangsu, Shandong, Henan and Anhui provinces, Xiao County in the north, Bozhou in the south, Suzhou in the east and Shangqiu in Henan Province in the west. It is 150km long from north to south and 50km from east to west, with a total area of 2802 square kilometers, making it the smallest prefecture-level city in Anhui Province. The total population in 2016 is 2.165 million. It has jurisdiction over three municipal districts in Xiangshan District, Liishan District, Duji District and one county in Suixi County. The municipal government is stationed in Xiangshan District. Huaibei has a long history and a gathering of humanities. More than four thousand years ago, the eleven ancestors of Shang and Tang Dynasty built the city at the southern foot of Xiangshan, which was the beginning of civilization. Since then, successive dynasties have set up counties and counties here. There are Uncle Yu, Huan Tan, Ji Kang, Liu Ling and so on.