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.
Lintan County belongs to Gannan Tibetan Autonomous Prefecture, which is called Taozhou in ancient times. It is located in the south of Gansu Province and in the east of Gannan Tibetan Autonomous Prefecture. It is located on the northeast edge of the Qinghai-Tibet Plateau. It is the combination of agricultural and pastoral areas, Tibetan and Han areas. Lintan County, with a total area of 1557.68 square kilometers, is an alpine and hilly area, with an average elevation of 2825 meters, with an elevation of 2209, 3926 meters. The county has jurisdiction over 16 townships (towns) and 141 administrative villages, with a total population of 150000 (2011). There are 10 ethnic groups, including Han, Hui, Tibetan and Mongolian, with ethnic minorities accounting for 26% of the total population. Lintan County has National AAAA Scenic spot Yeliguan, Huangjianzi National Forest Park, Lianhuashan National Nature Reserve and Provincial Geopark. Total output value of Lintan County in 2011 (