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.
Jinzhai County, which belongs to Lu'an City, Anhui Province, is located in the border area of western Anhui and the hinterland of the Dabie Mountains. It is located in the junction of three provinces, seven counties and two districts. The west and south are adjacent to Henan and Hubei provinces, with a total area of 3814 square kilometers. Jinzhai County is the largest mountain county with the largest population and tourism resources in Anhui Province, and it is also the second largest general county in China. Jinzhai County is known as "the cradle of the Red Army and the hometown of generals" and is an old revolutionary base. Provincial highways 209 and 210 run from north to south and are close to National Highway 312. Meishan Reservoir and Xianghongdian Reservoir are navigable all the year round. In 2018, Jinzhai County has jurisdiction over 12 towns and 11 townships, and has another development zone with a registered population of 683500, with a regional gross domestic product (GDP) of 11.39372 billion yuan, of which the added value of the primary industry is 18.89.