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.
Dancheng County is under the jurisdiction of Zhoukou City, located in the east of Henan Province, at the junction of Henan and Anhui provinces, and its geomorphology is the East Henan Plain. The Sui Dynasty opened the emperor six years (586) Zidan County, for the beginning of the city of Jindan County, the Tang Dynasty waste Dan County, most of the history of Luyi County, Dancheng County was established in 1952. By the end of 2013, Dancheng County had a registered population of 1403085 and a resident population of 952600; it had jurisdiction over 8 towns, 11 townships, 3 streets and 1 industrial agglomeration area, 523 village-level organizations (488 administrative villages and 35 neighborhood committees), with a total area of 1490 square kilometers. In 2010, the GDP of Dancheng County reached 13.732 billion yuan, an increase of 12.3% over 2009. There are famous ruins such as Prince Shengxian Pavilion and Princess Mausoleum in Dancheng County.