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.
Lingtai County is an escrow county of Pingliang City, Gansu Province, located in the southeast of Gansu Province, bordering Changwu, Bin County, Linyou, Qianyang and Longxian of Shaanxi Province in the southeast, and Chongxin and Jingchuan County of Gansu Province in the northwest. The geographical coordinates are 107 °00 east longitude 107 °57km east longitude, 34 °54km north latitude, 35 °14km north latitude, 78 km east-west length, 40 km north-south width, and a total area of 2038 square kilometers. As of 2012, Lingtai County has jurisdiction over 5 towns, 8 townships, 1 street, a total of 4 communities, 1429 administrative villages and 1429 village groups, with a total population of 229752, most of whom are Han nationality, accounting for 96.7%. Ethnic minorities are Hui, Tibetan, Manchu, Miao, Mongolian and so on, accounting for 3.3%. In 2012, Lingtai County realized the regional gross domestic product (G