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.
Yunfu City is located in the central and western part of Guangdong Province, south of the middle reaches of the Xijiang River, adjacent to the Pearl River Delta, bordering Zhaoqing, Foshan, Jiangmen, Yangjiang, Maoming and Wuzhou, Guangxi. The urban area is more than 140 kilometers away from the provincial capital Guangzhou and 177 nautical miles away from Hong Kong by waterway. In April 1994, a prefecture-level city was established, under the jurisdiction of Yuncheng District, Yunan District, Xinxing County and Yunan County, in charge of Luoding City. Yunfu is one of the cities in the Pearl River Delta urban agglomeration and an important node city in the Pearl River-Xijiang Economic Belt. Yunfu is rich in mineral resources. Yunfu is one of the important polymetallic mineralization concentration areas in China, in which the reserves and grade of pyrite rank first in the world and are known as the "sulfur capital". It is the largest production base of sulfur chemical industry in China and the largest production base of stainless steel tableware in Guangdong Province. Stone processing has a long history and is known as the "stone capital". Yunfu is the center of China's stone base.