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.
Longshan County, which belongs to Xiangxi Tujia and Miao Autonomous Prefecture, is located in the northwest of Hunan, in the hinterland of Wuling Mountains, connecting Jing Chu and Ba Shu, which is called "the Confucius of Hunan, Hubei and Sichuan" in history. The terrain is high in the north and low in the south, steep in the east and gentle in the west, with towering mountains and undulating peaks, including Youshui, Lishui and its tributaries. The region belongs to the subtropical continental humid monsoon climate zone with four distinct seasons. In 2013, Longshan County has a total area of 3131 square kilometers and has jurisdiction over 34 townships (streets) and 462 villages (communities), with a total population of 590000. 16 ethnic minorities, such as Tujia and Miao, account for 71% of the total population. In 2015, Longshan County has jurisdiction over 5 townships, 12 towns and 4 streets. Longshan has Oolong Mountain Grand Canyon, Lotta Stone Forest, Taiping Mountain Forest Park and other natural scenery. Coal, quartz sand, purple sand pottery,