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.
Sihong County, under the jurisdiction of Suqian City, Jiangsu Province, is located in the northwest of Jiangsu Province, the lower reaches of the Huaihe River, Hongze Lake to the east and Anhui to the west, located in the cross-radiation area of the Yangtze River Delta Economic Zone and the Huaihe River eco-economic belt, with an administrative area of 2731 square kilometers and a population of 1.1 million. It is the hometown of famous wine, crab and eco-tourism in China. Sihong is the wine capital of China. Shuanggou Daqu, one of the top ten famous wines, is produced here. Sihong sits on 40% of the water surface of Hongze Lake, one of the four major freshwater lakes in China, and is embedded in the national Hongze Lake Wetland Park. Sihong gave birth to an ancient civilization. Fifty thousand years ago, the people of Xiacaowan lived here after the water and thrived. It is one of the centers of biological evolution in the Cenozoic world, and it is also one of the centers of human origin.