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.
Biru County is located in the east of Naqu City, Tibet Autonomous region, between Mount Tanggula and Nianqing Tanggula Mountain, and upstream of Nujiang River. The central position of the county government is 93 °68 east longitude & 31 °48 #39;72.84'', north latitude & #39;57.64''. The total area is 11429 square kilometers and the population is 60, 000. The terrain is mainly low mountains and hills, with high mountains and canyons, surrounded by icebergs and snow peaks, with an average elevation of 4000 meters, belonging to the plateau sub-cold or temperate semi-humid monsoon climate zone. The GDP of Biru County in 2014 was 655.4943 million yuan, with a growth rate of 9.28%. The county has jurisdiction over 2 towns and 8 townships, belonging to semi-farmers dominated by animal husbandry.