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.
Zhongshan, known as "Xiangshan" in ancient times, is a prefecture-level city in Guangdong Province, one of the five prefecture-level cities in the country without zones, one of the central cities in the Pearl River Delta, an important node city in Guangdong-Hong Kong-Macau Greater Bay Area, and one of the regional central cities in Guangdong. It has maintained the fifth economic output of Guangdong Province for many years, and is known as the four tigers of Guangdong together with Shunde, Nanhai and Dongguan. Xiangshan County, formerly known as Xiangshan County, was established in 1152. In 1925, it was renamed Zhongshan County in memory of Sun Yat-sen. It is located at the lower reaches of the West and Beijiang River south-central of the Pearl River Delta, with Panyu District of Guangzhou City and Shunde District of Foshan City to the north, Jiangmen City, Xinhui District and Doumen District of Zhuhai City to the west, Zhuhai City to the southeast and Zhujiang Estuary to the east.