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.
Yangqu County, historically known as "Sanjin Shouyi", belongs to Taiyuan City, Shanxi Province, which is located in the backbone of Xinzhou and Jinzhong basin. Jiaojin key point, Taiyuan gate. The east, west and north are surrounded by mountains, while the south is low and flat. It is bordered by Yu County in the east, Jingle County and Gujiao City in the west, Taiyuan City in the south, Xinzhou City in the north, Dingxiang County in the northeast and Shouyang County in the southeast. Jingbei mountain system stretches from east to west, and Yunzhong mountain system runs through the north and south, because of the north barrier, which is known as the north gate of Taiyuan, which is a necessary place for soldiers. Yangqu County has 579 cultural relics protection units (including 5 at the national level, 4 at the provincial level and 24 at the municipal level). In 2007, together with Pingyao, Dunhuang, Dali and other historical and cultural places, it was selected as the "66 major counties of Chinese cultural tourism in a lifetime". Yangqu has a dense road network, 108 National Highway.