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.
Weng'an is located in the southwest hinterland, is a national health county and China's ecological charm county, the national phosphorus chemical ecological production base, known as the "Asian phosphorus warehouse" reputation. Weng'an is an old revolutionary base. The Red Army passed Weng'an four times on the long March and held a historic monkey farm meeting in Weng'an, which Comrade Zhou Enlai called "the eve of a great turning point." Weng'an is the place of origin of life and the ancient city with thousands of years of civilization. Fossils of faunas from 610 million years ago have been found here, and they are the earliest fossils found so far. On December 25, 2017, the General Office of Guizhou Provincial Government issued the implementation Plan for Guizhou Province to accelerate the Construction of a New Type of urbanization with Mountain characteristics, which shows that the Guizhou Provincial Government supports Weng'an County to remove counties and cities.