Colorado Springs is a home rule municipality in, and the county seat of, El Paso County, Colorado, United States. It is the largest city in El Paso County, with a population of 478,961 at the 2020 United States Census, a 15.02% increase since 2010. Colorado Springs is the second-most populous city and the most extensive city in the state of Colorado, and the 40th-most populous city in the United States. It is the principal city of the Colorado Springs metropolitan area and the second-most prominent city of the Front Range Urban Corridor. It is located in east-central Colorado, on Fountain Creek, 70 miles (113 km) south of Denver.
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