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.
Daguan County, which belongs to Zhaotong City, Yunnan Province, is located in the heart of Zhaotong area in the northeast of Yunnan Province. It is located between 103 degrees 43'- 104 degrees 07'E and 27 degrees 36'- 28 degrees 15'N. Daguan County, located in the hinterland of Zhaotong, has always been the main traffic road in Yunnan and Sichuan. It was the uprising site of Li (Yonghe) and Lan (Chaoding) peasant movement. The territory has overlapping mountains and "five rivers", which are rich in hydraulic, mineral resources and native products. Fresh bamboo shoots and Cuihua tea are local specialties, rich in high-quality flue-cured tobacco. Eucommia ulmoides sells well all over the country and is one of the raw lacquer base counties in Yunnan Province.