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.
Sandu Shui Autonomous County, which belongs to Qiannan Buyi and Miao Autonomous Prefecture of Guizhou Province, is located in the southeast of Qiannan Buyi and Miao Autonomous Prefecture. It is the only Shui Autonomous County in China. It is located in the hinterland of "Moon Mountain and Leigong Mountain". It is bordered by Rongjiang River and Leishan in the east, Libo in the south, Dushan and Duyun in the west, and Liandanzhai in the north, 230km away from the provincial capital Guiyang, with a total area of 2400 square kilometers. In 2009, the county has a total population of 314700, of which 304700 are ethnic minorities and 202400 are aquarium, accounting for 64.8% of the total population. National Highway 321 and Guiyang-Guangzhou high-speed railway run through the county, which is one of the important channels for southwestern provinces to go to sea, and it is also a national karst forest reserve of Guilin, Guiyang and Kunming Dazhang River.