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.
Chaoyang, Liaoning Province under the jurisdiction of prefecture-level cities, also known as "Dragon City". Located in western Liaoning; the terrain is high in the north and northwest, southwest and low to the east, living in the continental monsoon climate zone of the north temperate zone; it has jurisdiction over two districts, three counties and two cities, with a total area of 19736 square kilometers; the total population in 2017 is 3.365 million. Chaoyang is the hub of political, economic and cultural exchanges between Northeast China and the Central Plains. Today, Chaoyang City is connected with the industrial urban agglomeration in central Liaoning in the east, the Bohai Sea in the south, the Beijing, Tianjin and Tang economic circles in the west, and the hinterland of Inner Mongolia in the north. Chaoyang has been the link area between Northeast China and the Central Plains since ancient times, so it has formed a multi-ethnic historical city in Northeast China and a strategic location of past dynasties. In 2017, Chaoyang realized the total regional production.