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.
Baiyin District belongs to Baiyin City, Gansu Province. Baiyin gets its name because of the mine and because of the enterprise area. Located in central Gansu, western Baiyin City, the middle upper reaches of the Yellow River, located in the northwest edge of the Longxi Loess Plateau, the general trend of topography is high in the northwest and low in the southeast, with an average elevation of 1946.5 meters. It borders Gaolan County, Lanzhou City in the west, the Yellow River in the south, Qingcheng Town in Yuzhong County and Pingbao Township in Jingyuan County, Liuchuan Township in Jingyuan County in the east, and Zhongquan Township in Jingtai County in the north. With a total area of 1372 square kilometers, it has jurisdiction over 5 streets, 3 towns and 2 townships. In 2017, the registered population of Baiyin District was 290381. In 2017, Baiyin District achieved a GDP of 19.957 billion yuan, an increase of 2.6 percent over the same period last year. In July 2019, it was selected as the pilot county (district) of the national intellectual property strong county project.