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.
Gaobeidian City is located in the middle of Hebei Province, southwest of Beijing, located in Beijing, Tianjin, Baoding triangle hinterland, around the capital Beijing-Tianjin economic circle, is an important industrial city in the south and north of Beijing. Gaobeidian City belongs to Baoding City. The total area of the city is 672 square kilometers. On April 9, 1993, Xincheng County was abolished and Gaobeidian City was established. The famous specialty products of Gaobeidian City include shredded tofu and famous figures such as Fan Yuqi. On January 25, 2019, he was selected as the national "Ping an Agricultural Machinery" demonstration county in 2018. In November 2019, he was selected into the list of the second batch of counties (districts) for the construction of a water-saving society.