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.
Dushan County, which belongs to Qiannan Buyi and Miao Autonomous Prefecture of Guizhou Province, is located at the southernmost tip of Guizhou, bordering Nandan County, Guangxi. It is a necessary place for Guizhou Province and even the southwest to enter the sea mouth of Guangdong and Guangxi. Defending Guangdong and Guangdong in the east, Yunnan and Guizhou in the west, ASEAN in the south and Tianfu in the north, known as "the south gate of Guizhou" and "southwest gate", it is not only an important town in southern Guizhou, but also the opening frontier of the western region connecting the central and eastern regions. Dushan County has a total area of 2442.2 square kilometers. In 2012, the total population of Dushan County was 350000, and the GDP was 3.46173 billion yuan. It has been designated as a Class An open county by the state and a comprehensive reform experimental area in ethnic minority areas, a comprehensive agricultural development county, a collective economic experimental area and a spark technology intensive experimental area by the provincial government. December 2016, listed as the third batch of countries