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.
Tianquan County, which belongs to Ya'an City, Sichuan Province, is located on the western edge of Sichuan Basin, at the eastern foot of Erlang Mountain, the upper reaches of Qingyi River, and the Sichuan-Tibet Highway (National Highway 318) runs through the whole territory. The average annual rainfall is 1735.6 mm. The average annual sunshine is 860.2 hours and the frost-free period is 241days. Tianquan County has jurisdiction over 15 townships, with a total area of 2400 square kilometers. The county seat is 180 kilometers away from Chengdu and 38 kilometers away from Ya'an. In 2012, Tianquan County has a total population of 150000. In 2013, Tianquan County achieved a GDP of 4.197 billion yuan, an increase of 3.9% over 2012. The per capita GDP was 27317 yuan, an increase of 3.3%. The industrial structure of the three times has been adjusted from 15.1 to 57.5 in 2012 from 15.1 to 58.7 to 57.5: