The Kansas City metropolitan area is a bi-state metropolitan area anchored by Kansas City, Missouri. Its 14 counties straddle the border between the U.S. states of Missouri (9 counties) and Kansas (5 counties). With 8,472 square miles (21,940 km2) and a population of more than 2.2 million people, it is the second-largest metropolitan area centered in Missouri (after Greater St. Louis) and is the largest metropolitan area in Kansas, though Wichita is the largest metropolitan area centered in Kansas. Alongside Kansas City, Missouri, these are the suburbs with populations above 100,000: Overland Park, Kansas; Kansas City, Kansas; Olathe, Kansas; Independence, Missouri; and Lee's Summit, Missouri.
Jianchang County, which belongs to Huludao City, Liaoning Province, is located in the northwest of Huludao City. It is bordered by Lianshan District and Xingcheng City in the east, Suizhong County in the south, Lingyuan City in the northwest, Azure Dragon Manchu Autonomous County and Haigang District in Qinhuangdao City, Hebei Province in the southwest, and Kazuo and Chaoyang counties in the north. Jianchang County has a total land area of 3181 square kilometers. Cultivated land is 890000 mu. The population of Jianchang County is 650000 (2011). There are Han, Manchu, Mongolian, Hui, Korean and other ethnic groups. Jianchang County is located in the hilly and mountainous areas of western Liaoning, where the Yanshan Mountains extend. The terrain is high in the northwest and low in the southeast. The Songling Mountains run northeast and southwest, running through the county. Daqingshan, the highest peak, is 1223 meters above sea level and is famous for its roofs in western Liaoning. There are more than 40 rivers that originate and flow through the county, and the main rivers are Daling River, Liugu River, Qinglong River and Heishui River. Within the territory, there are large,