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.
Gangu County, which belongs to Tianshui City, Gansu Province, is located in the southeast of Gansu Province, northwest of Tianshui City, and upstream of Weihe River. It is bordered by Qinan County and Maiji District in the east, Qinzhou District and Lixian in the south, Wushan County in the west and Tongwei County in the north. The total area is 1572.6 square kilometers. As of 2012, Gangu County has a total population of 630000. The famous specialties of Gangu County are hemp shoes, ridges, fried potatoes, Gangu pulp water surface, crisp circles and so on. The famous figures of Gangu County are Pan Qinyue, Shi Zuoshu, Gong Jianfeng, Jiang Wei, Mrs. Yin and so on. Gangu County has won the honorary titles of "hometown of National Pepper" and "hometown of Chinese Pepper". On April 28, 2019, the Gansu provincial government approved Gangu County to formally withdraw from the poverty-stricken county.