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.
Qinghai Province, referred to as "Qing", is the provincial administrative region of the people's Republic of China and the capital of Xining. Located in the inland of northwest China, Qinghai is bounded by 31 °36 degrees north latitude, 39 °19 degrees north latitude, 89 °35 degrees east longitude, 103 °04 degrees east longitude, Gansu in the north and east, Xinjiang in the northwest, Tibet in the south and southwest, and Sichuan in the southeast. The overall topography of Qinghai Province is high in the west and low in the east, high in the north and south, low in the middle, high and steep in the west, tilting to the east, showing a ladder-shaped decline, and the eastern region is a transitional zone from the Qinghai-Tibet Plateau to the Loess Plateau, with complex topography and diverse landforms. The landforms of Qinghai Province are complex and diverse. More than 4/5 of the areas are plateaus, mountainous in the east and plateaus and basins in the west, with three landforms of the Qinghai-Tibet Plateau, inland arid basins and the Loess Plateau.