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.
Jianshan District, located in the northwest of Shuangyashan City, Heilongjiang Province, is under the jurisdiction of Shuangyashan City, Heilongjiang Province, bordering Sifangtai District in the east, Lingdong District in the south and Jixian County in the northwest. Jianshan District covers an area of 97.7square kilometers (2014), with a population of 230000. It has jurisdiction over 1 township, 13 administrative villages and 29 primary and secondary schools. Jianshan District is the center of politics, economy, culture, education, transportation, finance, communication and trade in Shuangyashan City. In 2014, Jianshan District operated 32 projects worth more than 10 million yuan, including 9 projects over 100 million yuan and 12 projects over 50 million yuan, with a total investment of 6.59 billion yuan.