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.
Zigong, a prefecture-level city of Sichuan Province, is located in the south of Sichuan Basin; Longchang City and Lu County to the east, Luzhou City and Yibin City to the south, Jianwei County and Jingyan County to the west, Renshou County, Weiyuan County and Neijiang City to the north; geotectonic system Yangzihuai Sichuan Taiao, Chuanzhong Taigong and Zigong sag; it belongs to subtropical humid monsoon climate; in 2017, the city covers an area of 4381 square kilometers and has jurisdiction over 4 districts and 2 counties. The registered population is 3.2394 million. Zigong "set up a city due to salt", and the words "Zi and Gong" are derived from the names of "Ziliujing" and "Gongjing". At the same time, Zigong is also an important producing area of dinosaur fossils in China, known as the "hometown of dinosaurs". It is famous at home and abroad for the Zigong Dinosaur Museum, which is one of the three dinosaur museums in the world. Zigong gourmet salt is