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.
Yanshan County belongs to Cangzhou City, Hebei Province, with a total area of 800 square kilometers, located in the southeast of Cangzhou City, facing the Bohai Sea to the east, Beijing and Tianjin to the north and Shandong to the south. It is the center of the "two provinces" (Hebei Province and Shandong Province) and "three cities" (Cangzhou, Dezhou and Binzhou). It is known as "Jilu Hub" and "Beijing-Tianjin Portal". It is 120 kilometers away from Tianjin, 220 kilometers from Beijing, 160 kilometers from Jinan, 50 kilometers away from Huanghua Port and 110 kilometers away from Tianjin Port. You can go to sea in half an hour and board the plane in one hour. Yanhuang Railway, New Beijing-Shanghai Expressway, 205 National Highway and other national trunk lines run through the county, and the three major railway lines of Beijing-Kowloon Railway, Beijing-Shanghai Railway (passenger dedicated line) and Shuohuang Railway pass by the major traffic arteries such as Shihuang Expressway and Tianjin-Shantou Expressway. The total area of the county is 800 square kilometers, with cultivated land.