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.
Duji District, which belongs to Huaibei City, Anhui Province, is located in the northeast of Huaibei City, between latitude 33 °58 / 34 °18'N and longitude 116 °41 / 116 °58'E. it is located at the junction of Xu (Zhou) and Huai (North) at the junction of Jiangsu, Shandong, Henan and Anhui, and is the center of Huaihai Economic Zone. Duji District covers an area of 230.2 square kilometers and has jurisdiction over 2 streets and 3 towns with a total population of 342000 (2018). In 2018, the annual GDP of Duji District reached 11.81 billion yuan. Duji District has Nanshan Scenic spot, Huaibei East Lake Wetland Park, Shuoxi Lake, Duanyuan Grape Town Scenic spot, Gaoyue Modern Agricultural demonstration Park and other scenic spots. The first batch of demonstration units for rural community construction across the country.