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.
Gangcha County is under the jurisdiction of Haibei Tibetan Autonomous Prefecture of Qinghai Province, one of the key animal husbandry counties around the lake, located in the west of the state, the north bank of Qinghai Lake. The county government is stationed in Saliuhe Town, 110 kilometers away from Xihai Town, Haiyan County, where the state capital is located. By 2012, the total population of the county was 42000, of which ethnic minorities accounted for 72.5%, Tibetans accounted for 63.38%, as well as Han, Mongolian, Hui, Dongxiang and other ethnic groups. The area is 12000 square kilometers. Jurisdiction over 3 townships, 2 towns and 1 game. It was called Qiang Land in ancient times. The main rivers in Gangcha County are the Moeller River, the Kexai River, the Jiangcang River, the Shaliu River, the Bahaulan River, the Buha River, the Halgai River and the Gilmont River. It belongs to the continental climate of the plateau, with an average annual temperature of-0.6 ℃ and annual precipitation of 370mm. The main mineral deposits are coal, iron, copper, silver, uranium and so on. Pure animal husbandry county, herding Tibetan sheep