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.
Yongshan County, which belongs to Zhaotong City, is located in the northeast of Yunnan Province. Xiluodu Hydropower Station is the second largest hydropower station in China and the third largest hydropower station in the world. In 1727, the governor of Yungui Ertai suppressed Pingmitie, and the county was named "Yongshan" by the imperial court, which meant to obey discipline forever. In 2014, Yongshan County has jurisdiction over 6 towns and 9 townships, with 4 neighborhood committees and 133 administrative villages. The county government is stationed in Xiluodu Town, 680 kilometers southwest from the provincial capital Kunming and 200 kilometers south from Zhaotong Municipal Government. Located at the northwest edge of Zhongshan Mountain in northeastern Yunnan, the plateau is broken because it is cut by the Jinsha River and its tributaries. The highest elevation is 3199.5 meters, and the lowest elevation is 340 meters. The main rivers are Jinsha River, Sabina River, Damotan River, Jingdi River, Longchong River and so on. It belongs to the humid climate of the subtropics.