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.
Deyang, also known as Jingcheng, is a prefecture-level city in Sichuan Province. Located in the northeast of Chengdu Plain; located in the transition zone from Longmen Mountains to Sichuan Basin; the northwest has a mountain vertical climate and the southeast has a humid monsoon climate in the middle subtropics. The city has a total area of 5910 square kilometers, under the jurisdiction of 2 districts, 1 county, escrow 3 county-level cities; the registered population is 3.877 million in 2018. Adjacent to Chengdu, the provincial capital, Deyang is located at the intersection and overlap of the Silk Road Economic Belt and the Yangtze River Economic Belt, making every effort to create a new city in the north of Chengdu's international metropolis. Deyang has well-developed transportation, 50 kilometers away from Shuangliu International Airport and 24 kilometers away from Qingbai River, the largest railway container center in Asia. Deyang is a major technology and equipment manufacturing base in China because of the "third-line construction" national layout of modern large industry. 2017 1