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.
Langao County, which belongs to Ankang City, Shaanxi Province, is located in southern Shaanxi, at the northern foot of Dabashan Mountain, bordering Chengkou County of Chongqing City in the south, Hanbin District of Ankang City in the north, Ziyang County in the west and Pingli County in the east, with a maximum elevation of 2641 meters and a minimum elevation of 331m. It covers an area of 1956 square kilometers, with a total population of 168200 (2017). Langao Nangong rice field was selected as "China's beautiful countryside, 2012 China's best leisure town, one of the most beautiful cities in China." Langao County was founded in the Qing Dynasty, there are Nangongshan, Lanhe rafting and other scenic spots, known as the hometown of Chinese konjac. In 2013, the GDP of Langao County reached 3.1 billion yuan, an increase of 14% over 2012. On February 2, 2019, by the State Administration of traditional Chinese Medicine