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.
Yangquan City, a prefecture-level city under the jurisdiction of Shanxi Province, was called "Yangquan" in ancient times. Located in the central and eastern part of Shanxi Province, adjacent to Xinzhou City in the north, Taihang Mountain and Shijiazhuang City in the east, Taiyuan City in the west and Jinzhong City in the south; with a total area of 4559 square kilometers, it is a new industrial city. Yangquan is located in the eastern edge of the Loess Plateau, belongs to the eastern mountains of Shanxi, the landforms in the territory are mainly mountains, the rest are hills and plains; it belongs to the warm temperate semi-humid continental monsoon climate zone. As of 2018, Yangquan City has jurisdiction over three districts and two counties, with a total population of 1.4144 million. Yangquan is the gateway of Sanjin, Shanxi and Hebei, located in the middle of the two provincial capitals of Taiyuan and Shijiazhuang, with a distance of 100 kilometers. Yangquan is also located in the combination zone of the eastern developed region and the central and western regions, as well as the two major scriptures around the Bohai Sea and the Yangtze River Delta.