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.
Qitaihe City, a prefecture-level city in Heilongjiang Province, is located in the eastern part of Heilongjiang Province, south of Jiamusi City, at the western end of Wanda Mountain Mountains, belonging to low mountains and hills, high in the southeast and low in the northwest, located in the middle latitude, with a cold temperate climate and continental monsoon climate; the city has a total area of 6221 square kilometers and has jurisdiction over 3 districts and 1 county; the registered population is 777100 in 2018. Qitaihe is located in the center of the urban agglomeration in the east of Heilongjiang Province. Mujia High Speed Railway, Mu Jia Railway, Heda Expressway, Yiqi Expressway and Raogai Highway run through the whole territory, connecting with provincial capital and surrounding cities and counties, and forming a regional strategic cooperation city with 14 cities (states) in the eastern part of Northeast China. Qitaihe area is one of the birthplaces of the Sushen nationality; it was once the headquarters of the Jidong Provincial Party Committee and the second Route Army of the Anti-Japanese Union. Seven sets