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.
Tumen City is located in the east of Jilin Province, the eastern foot of Changbai Mountains and the lower reaches of the Tumen River, facing Wancheng County in North Korea, Hunchun City in the east, Yanji City in the west, Longjing City in the south and Wangqing County in the north. As of 2007, Tumen City has jurisdiction over 3 streets and 4 towns, with a total area of 1142.65 square kilometers. By the end of 2011, the total population of Tumen City was 126606. It is a multi-ethnic city dominated by the Korean nationality. The three lines of road, railway and shipping in Tumen City are all located in the "Golden Triangle" of Northeast Asia, which is an international transportation hub connecting the hinterland of Northeast China, North Korea and the Russian far East. On December 29, 2018, the sixth national unity and progress demonstration zone was named by the State ethnic Affairs Commission.