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.
Decheng District, an area under the jurisdiction of Dezhou City, Shandong Province, is located in the northwest of Shandong Province. It is the central city of Dezhou City, with Beijing and Tianjin in the north and Jinan in the south. It is located in Tianjin Binhai New area and Bohai Economic Circle. As of 2016, Decheng District has jurisdiction over 7 streets, 5 towns, 48 urban communities and 54 rural communities, covering an area of 231square kilometers and a resident population of 445300. Decheng District has the second largest thermal power plant in China: Huaneng Dezhou Power Plant, with an annual surplus of 6 billion kilowatt hours, and three large plain reservoirs with reserves of 200 million cubic meters. it has six thermal power plants with daily heating of 3000 tons and natural gas pipeline network with daily gas supply of 300000 cubic meters. In 2017, the annual GDP of Decheng District reached 29.61 billion yuan, calculated at comparable prices, compared with the same period last year.