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.
Sangri County, which belongs to Shannan City, Tibet Autonomous region, is located in the southeast of Tibet Autonomous region and north of Shannan City, with a total area of 2633.62 square kilometers, one town and three townships, with a resident population of 15746 (2013). Sangri, which means "Tongshan" in Tibetan. The county is located in the southern foot of the Gangdise Mountains, the middle reaches of the Brahmaputra River valley, is a valley in southern Tibet, the geological structure is complex, the topography is mainly alpine valley, the temperature difference between day and night is large, and the climate is dry. It is rich in copper, limestone, marble, solar energy and hydropower resources. The main scenic spots are Dansati Temple, Waka Hot Spring, Dagu Canyon, Red Deer Nature Reserve and so on. Sangri County is the counterpart support county of Yueyang City, Hunan Province. Agriculture and animal husbandry is the economic base of Sangri County, which mainly grows highland barley, winter wheat, rape and other crops, and raises cattle, sheep and horses.