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.
Yongjing County, which belongs to Linxia Hui Autonomous Prefecture of Gansu Province, is located in the southwest of central Gansu, in the north of Linxia Hui Autonomous Prefecture, bordering Lanzhou in the northeast, Liujiaxia Reservoir (now known as Bingling Lake) in the south, and Minhe County in Qinghai Province in the northwest. It is located between longitude 102 °53'E and latitude 35 °47'N and latitude 36 °12'N, with a total area of 1863.6 square kilometers (2010). The population is 205600 (2012). In 2012, Yongjing County achieved an annual GDP of 330 million yuan. Yongjing County has Liujiaxia, Liujiaxia Dinosaur National Geopark, Bingling Temple Grottoes and other famous scenic spots. Yongjing County, known as "Hezhou North Township", is one of the first counties open to the outside world, a key county for poverty alleviation and development, and also a Liujiaxia and salt pan.