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.
Nanjiang County, under the jurisdiction of Bazhong City, Sichuan Province, is located on the northeast edge of Sichuan Province. It covers an area of 3382.8 square kilometers, has jurisdiction over 27 towns and 21 townships, and has a resident population of 612500 in 2017. Nanjiang County has a long history, with a history of 1500 years. Emperor Liang Wudi of the Southern Dynasty usually bought Nanjiang County for six years (525 years). It is famous because "the river is difficult to wade". Western Wei Gongdi two years (555 years) changed to Pandao County. The Northern Zhou Dynasty relocated Nanjiang County, Yuan to Yuan 20 years (1283) into Huacheng County. Ming Zhengde 11 years (1516) reset, renamed Nanjiang County, named after the Nanjiang River in the south of Micang Mountain. Nanjiang County is a national key county for poverty alleviation and development, the first batch of national pilot demonstration counties for the construction of main functional areas, a national demonstration area for ecological protection and construction, and a comprehensive national new type of urbanization.