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.
Heishui is located in the east of the Qinghai-Tibet Plateau, in the middle of Aba Tibetan and Qiang Autonomous Prefecture, connected with Songpan in the north, Hongyuan and Maoxian in the east and west, Lixian and Malkang in the south and southwest, 284km away from the provincial capital Chengdu, and the county seat is 2350 meters above sea level. Heishizang is called "Cuoqu", which means "water of pig iron". Heishui River is a tributary of the upper reaches of Minjiang River. There are 99 small Heishui River, Mauergai River and gully. Heishui territory of the natural scenery Jun Xiu, strange, unique cultural scenery. There are mainly three Olympic Snow Mountains, Custer Landscape, Dagu Glacier, the lowest, largest and youngest glacier in the world at the same latitude, the Milk ditch Colored Forest, known as the 80-mile Gallery, Selgu Tibetan Village and other unique Tibetan dwellings, and Yaxia National Forest Park. Heishui is the place passed by the Red Army on the long March.