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.
Hengshui, a prefecture-level city of Hebei Province, is located in the southeast of Hebei Province, between longitude 115o10mm UV 116o 34km east and latitude 37 °03qq. it is adjacent to Cangzhou City and Dezhou City, Shandong Province in the east, Shijiazhuang City in the west, Xingtai City in the south, Baoding City and Cangzhou City in the north, with a total area of 8815 square kilometers. Hengshui City is located in Hebei alluvial plain, the terrain slowly tilts from southwest to northeast, 12 meters ~ 30 meters above sea level. It belongs to the continental monsoon climate zone, which is warm and semi-arid. It is an important processing and supply base for agricultural products in Beijing and Tianjin. Hengshui belongs to the "1th 93rd" plan of the Bohai Rim Economic Circle and the Capital Economic Circle. It is a member city of the Joint Conference of Mayors of Regional Cooperation around the Bohai Sea. It is called the "Golden Cross" by Fei Xiaotong.