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.
Sandu Shui Autonomous County, which belongs to Qiannan Buyi and Miao Autonomous Prefecture of Guizhou Province, is located in the southeast of Qiannan Buyi and Miao Autonomous Prefecture. It is the only Shui Autonomous County in China. It is located in the hinterland of "Moon Mountain and Leigong Mountain". It is bordered by Rongjiang River and Leishan in the east, Libo in the south, Dushan and Duyun in the west, and Liandanzhai in the north, 230km away from the provincial capital Guiyang, with a total area of 2400 square kilometers. In 2009, the county has a total population of 314700, of which 304700 are ethnic minorities and 202400 are aquarium, accounting for 64.8% of the total population. National Highway 321 and Guiyang-Guangzhou high-speed railway run through the county, which is one of the important channels for southwestern provinces to go to sea, and it is also a national karst forest reserve of Guilin, Guiyang and Kunming Dazhang River.