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.
Tongwei County, which belongs to Dingxi City, Gansu Province, is located in the middle of Gansu Province and on the east side of Dingxi City. It has a history of more than 2100 years since the third year of Yuan Ding of Han Dynasty (114 BC). Tongwei County, with a total area of 2908.5 square kilometers, has jurisdiction over 18 townships, 332 villages and 10 communities. The county government is stationed in Pingxiang Town, with a resident population of 407900 at the end of 2017. Tongwei County is located in the hilly and gully region of the Loess Plateau, with grass and livestock, corn, potatoes, traditional Chinese medicine, small grains, fruits and vegetables and other characteristic advantage industries. Tongwei County is "the hometown of Chinese calligraphy and painting", "the hometown of Chinese folk culture and art", "the hometown of Chinese calligraphy", "the hometown of Chinese poetry", "the advanced county of national sports" and "the advanced county of national grain production". In 2011, it was listed as a series of concentrated films in Liupanshan District by the state.