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.
Donga County, which belongs to Liaocheng City, Shandong Province, is located in the west of Shandong Province, with Mount Tai in the east and the Yellow River in the south, with a total area of 729 square kilometers. As of the end of 2017, Donga County has jurisdiction over 10 towns and streets and one provincial economic development zone, with a household registration population of 409500. Donga County set up a city in the Spring and Autumn period and a county in the Qin Dynasty, which has a history of more than 2000 years. There are cultural relics such as Dawenkou Culture, Longshan Culture, Cangjie Tomb, Dengmiao Stone statues, Fanji Temple, Jingjue Temple and so on. By the end of 2017, Dong'e County has one national 4A scenic spot, three 3A scenic spots, one national Yellow River Forest Park and one national wetland park in Dong'e Ejiao City. National Highway 105, National Highway 341 and three provincial highways run through the whole territory of Donga County. In 2018, Donga County realized the total production.