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.
Danling County, which belongs to Meishan City, Sichuan Province, is located on the southwest edge of Chengdu Plain in Sichuan Basin, in Chengdu Economic Zone and Chengdu-Chongqing Economic Zone. Danling County covers an area of 448.94 square kilometers in 2011, with a total population of 163000, and has jurisdiction over 5 towns and 2 townships. The four seasons are mild, with a monsoon climate in the subtropical humid zone, with an annual average temperature of 17.0 ℃ and a forest coverage of 46.2%. It is known as "the hometown of Chinese folk art (suona)". In 2013, GDP in Danling County reached 4.09 billion yuan, an increase of 10.4% over the same period in 2012. The fiscal revenue was 223 million yuan, an increase of 31.2% over the same period in 2012. The per capita net income of farmers was 9519 yuan, an increase of 14.2% over the same period in 2012. On October 22, 2018, Danling County was selected for 2018.