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.
Youyu County is located in the northwest border of Shanxi Province, belonging to Shuozhou City, Shanxi Province. It is bounded by the ancient Great Wall in the north and northwest, adjacent to Liangcheng and Helinger County in Inner Mongolia, Zuoyun County, Datong City in the east, and Shanyin County and Pinglu District in the south. Youyu County is surrounded by mountains, high in the south and low in the north. The Cangtou River runs from north to south, with a width of 45.7km from east to west and 67.7km from north to south. It has jurisdiction over a provincial eco-cultural tourism development zone, four towns, six townships, one scenic spot and 288 administrative villages, with a total area of 1969 square kilometers and a total population of 115000 (total population at the end of 2017). Youyu County is rich in tourism resources, including Xiahukou Scenic spot, Youyu Spirit Exhibition Hall, Cangtou River Wetland Park and other tourist attractions. It has successively won "National AAAA tourist Scenic spot", "Chinese charm Town", and "the most worthwhile."