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.
Guzhang County, which belongs to Xiangxi Tujia and Miao Autonomous Prefecture, is located in the west of Hunan Province and the middle of Xiangxi Autonomous Prefecture. Guyang Town is the seat of the county, which reaches Baojing in the west, Yuanling in the east, Jishou and Luxi in the south, and Yongshun in the north. With a total area of 1286 square kilometers, it has jurisdiction over seven townships and five towns, with a total population of 144100 (2016), of which ethnic minorities account for 76.9 per cent. Guzhang County has an excellent ecological environment, and the green rate of trees is as high as 80.46%. It is known as "the hometown of forestry, famous tea, weightlifting, singing and dancing". Guzhang County is the hometown of singers Song Zuying and he Jiguang, with unique characteristics such as Tujia Maogus, waving dance, Miao encouragement and so on. There are World Geological sites-Guzhang Golden Nail, National Geopark-Red Stone Forest, National Nature Reserve-