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.
Shuangjiang gets its name from the intersection of Lancang River and Xiaohei River in the southeast of the county, which belongs to Lincang City, Yunnan Province. The county covers an area of 2165.03 square kilometers, and has jurisdiction over 4 townships, 2 towns, 72 villages, 3 communities, Mengku overseas Chinese Management District and Shuangjiang Farm Management Committee. As of 2013, the total population is 170000. In 2012, Shuangjiang County completed an annual GDP of 2.3 billion yuan. Shuangjiang is the hometown of multi-ethnic cultures in China, and it is the only multi-ethnic autonomous county in China composed of Lahu, WA, Bulang and Dai nationalities. Shuangjiang is the native place of Mengku Daye tea in China. Mengku Daye tea, which originated in Shuangjiang, was twice evaluated as an improved variety of Chinese traditional tea by the National Tea Variety Committee in the 1960s and 1980s. Shuangjiang is the green pearl on the Tropic of Cancer, which runs through Shuangjiang County.