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.
Kang County, which belongs to Longnan City, Gansu Province, is located in the southeast of Gansu Province, southeast of Longnan City, and at the junction of Gansu, Sichuan and Shaanxi provinces. Kang County was known as Connecticut in ancient times, and was later incorporated into Wuzhou (Jizhou) after the Northern Zhou Dynasty, and Zhikang County in 1929. Kang County has jurisdiction over 18 towns and 3 townships, with a total area of 2958.46 square kilometers and a total population of 202000 (2015). In the Longnan Mountains on the south side of the West Qinling Mountains in Kangxian County, the elevation is between 560-2483 meters above sea level, which belongs to the transition from subtropical zone to warm temperate zone, with abundant rainfall, humid climate, sufficient light and forest coverage of 66.7%. It is known as "Longshang Jiangnan" and "Longshang Xishuangbanna". The natural resources of Kangxian County include water resources, biological resources, mineral resources and so on, with a total output value of 1.922 billion yuan in 2015. Kangxian County