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.
Heilongjiang Province, referred to as "black", the provincial capital Harbin, is the northernmost and easternmost provincial administrative region in China, with a total area of 473000 square kilometers. The geomorphological feature of Heilongjiang Province is "five mountains, one water and one grass". The terrain is generally high in the northwest, north and southeast, and low in the northeast and southwest, which is composed of mountains, platforms, plains and water surfaces; the land spans the four major river systems of Heilongjiang, Wusuli River, Songhua River and Suifenhe, belonging to cold temperate and temperate continental monsoon climate. Heilongjiang Province, located in the hinterland of Northeast Asia, is an important passage from Asia and the Pacific to Russia and the European continent, and an important window for China to open along the border. As of August 2019, Heilongjiang Province had jurisdiction over 12 prefecture-level cities and 1 district; there were 54 municipal districts, 21 county-level cities, 45 counties,