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.
Suining, a prefecture-level city of Sichuan Province, also known as Doucheng and Suizhou, is located in the middle of Sichuan Basin. It is the regional central city of Chengdu-Chongqing Economic Zone, the modern industrial base of Sichuan Province, and the modern ecological garden city characterized by "heart-nourishing" culture. Chengdu is connected to the west, Chongqing, Guang'an and Nanchong to the east, Neijiang and Ziyang to the south, Deyang and Mianyang to the north, and an isometric triangle to Chengdu and Chongqing. Located in the main axis of the development of urbanization in Sichuan, it is one of the "six metropolitan areas" strategically deployed in Sichuan Province, and an important part of Chengdu economic circle and Chengdu plain urban agglomeration. Suining has a total area of 5300 square kilometers and has jurisdiction over 1 county-level city, 2 municipal districts and 2 counties. In 2018, the registered population is 3.6535 million and the city's GDP is 122.139 billion yuan. Located in the low hills of the central Sichuan Basin.