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.
Shimian County, which belongs to Ya'an City, Sichuan Province, is located in the eastern part of the Hengduan Mountains on the Qinghai-Tibet Plateau, the middle reaches of the Dadu River, the southwest of Ya'an City, and its geographical coordinates are 101 °55 in longitude and 102 °34 in longitude and 29 °32 in latitude. Shimian County has a total area of 2678 square kilometers. It belongs to the mountain climate with mid-latitude subtropical monsoon climate as the base belt, with concentrated summer rain, more night rain, less storms and no autumn continuous rain. Shimian County has jurisdiction over 1 street, 1 town, 5 townships and 10 ethnic townships, and the county government is stationed in the streets of Mian City. As of 2018, the total registered population of the county is 128800. In the thirteenth year of Daoguang of the Qing Dynasty (1833), the soil was changed and the land of the fourteen fortresses was placed in Shunhe Township. At the end of the Qing Dynasty, it was "ready to establish a constitution". Shunhe became an autonomous township of its own, all on the north bank.