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.
Donga County, which belongs to Liaocheng City, Shandong Province, is located in the west of Shandong Province, with Mount Tai in the east and the Yellow River in the south, with a total area of 729 square kilometers. As of the end of 2017, Donga County has jurisdiction over 10 towns and streets and one provincial economic development zone, with a household registration population of 409500. Donga County set up a city in the Spring and Autumn period and a county in the Qin Dynasty, which has a history of more than 2000 years. There are cultural relics such as Dawenkou Culture, Longshan Culture, Cangjie Tomb, Dengmiao Stone statues, Fanji Temple, Jingjue Temple and so on. By the end of 2017, Dong'e County has one national 4A scenic spot, three 3A scenic spots, one national Yellow River Forest Park and one national wetland park in Dong'e Ejiao City. National Highway 105, National Highway 341 and three provincial highways run through the whole territory of Donga County. In 2018, Donga County realized the total production.