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.
Shandan County, which belongs to Zhangye City, Gansu Province, is located in the middle of Hexi Corridor. It is the east gate of Jinzhangye, an important town on Silk Road. It is adjacent to Yongchang to the east, Qinghai to the south and Alashan right Banner in Inner Mongolia to the north. It is 148km long from north to south and 89km wide from east to west, with a total area of 5402 square kilometers. Shandan County is 15505,4441 meters above sea level, surrounded by mountains on three sides, high in the southeast and low in the northwest, with a continental cold and semi-arid climate. The economy of Shandan County is mainly agriculture and animal husbandry, with 857000 mu of arable land and 460000 mu of perennial cultivated area. It is a semi-agricultural and semi-pastoral county. The county is rich in tourism resources, there are national 4A scenic spots, "Expo Holy Land" Yanzhi Mountain Forest Park. It has the largest military racecourse in Asia, Shandan Army Racecourse, which has become the location shooting venue for many films. Famous Buddhist temples