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.
Dongchangfu District, which belongs to Liaocheng City, Shandong Province, is located in the west of Shandong Province, Donga County, Chiping County and Liaocheng Economic and technological Development Zone in the east, Yanggu County in the south, Guan County and Shen County in the west, and Linqing in the north. By the end of 2013, the region has a total area of 844 square kilometers, including 12 towns (streets), 2 parks and 643 villages (communities). The total registered population of the district is 771100. In 2013, Dongchangfu District achieved a GDP of 24.248 billion yuan, an increase of 10.2% over 2012. Of this total, the added value of the primary industry is 3.024 billion yuan, the secondary industry is 10.171 billion yuan, and the tertiary industry is 11.053 billion yuan. Dongchangfu District has a long history and splendid culture. During the Ming and Qing dynasties, Dongchang Prefecture benefited from the prosperity of water transport in the Beijing-Hangzhou Grand Canal.