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.
Ningyang County, which belongs to Taian City, Shandong Province, is located in the west of central Shandong Province and in the south of Taian City, between longitude 116o36'- 117o38' east and latitude 35 °40mm / m 35 °37', with a total area of 1125 square kilometers. Ningyang County has a long history. In the Western Han Dynasty, Gaozu of the Han Dynasty bought the county to the south of Ningshan (now south of Fushan Village). Because the south of the mountain is Yang, it is named Ningyang. The territory is high in the east and low in the west, with low mountains and hills in the east and plains in the west. The main geomorphological types in Ningyang County are low mountains, hills, plains and water surfaces. Ningyang County is a warm temperate humid seasonal climate zone with four distinct seasons. In 2018, Ningyang County had jurisdiction over 2 streets, 10 towns and 1 township, with a resident population of 773800, achieving a GDP of 44.36 billion yuan, of which