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.
Changji Hui Autonomous Prefecture, referred to as "Changji Prefecture", belongs to Xinjiang Uygur Autonomous region, located at the northern foot of Tianshan Mountains, southeast edge of Junggar Basin, high in the south and low in the north, tilting from southeast to northwest, belonging to a typical continental arid climate; with a total area of 73900 square kilometers, it has jurisdiction over two county-level cities, four counties and one autonomous county; the total population in 2017 is 1.406 million. Changji Hui Autonomous Prefecture in Xinjiang was once the only road leading to Central Asia and Europe from the New North Road of the ancient "Silk Road". It has been the throat of the western region and the barrier of northern Xinjiang since ancient times, and it is an important part of the core area of the Silk Road Economic Belt in Xinjiang. North Xinjiang Railway, National Highway 312, National Highway 216, Provincial Highway 115 and Tuwu High-grade Highway run through the whole territory. At the same time, Changji Prefecture is also a worker to promote the intellectual property strategy of small and medium-sized enterprises.