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.
Yuanyang County is one of the counties under the jurisdiction of Honghe Prefecture, Yunnan Province, the county is located in the south of Yunnan Province, across 74 kilometers from east to west, 55 kilometers from north to south, covering an area of 2189.88 square kilometers. The land in Yuanyang County is all mountainous, there is no Pingchuan, the lowest elevation is 144m, the highest elevation is 2939.6 m, the relative height difference is 2795.6 m, the annual average temperature is 24.4 ℃, the highest annual rainfall is 1189.1 mm, the lowest is 665.7 mm, and the average is 899.5 mm. Yuanyang County is one of the important producing areas of tropical fruits, Yunwu Tea and gold in Yunnan. As of 2017, Yuanyang County has jurisdiction over 3 towns, 11 townships, 134 village committees and 4 community neighborhood committees. At the end of 2010, Yuanyang County had a total population of 424284, including Hani, Yi, Han,