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.
Xingan, which belongs to the Inner Mongolia Autonomous region, is located in the northeast of Inner Mongolia, connected with Heilongjiang Province in the northeast, Jilin Province in the southeast, Tongliao City in the south, Xilingol League and Hulunbuir City in the south, west and north, respectively. The northwest is bordered by Mongolia and the border is 126 kilometers long. The alliance is 380km long from north to south and 320km wide from east to west, with a total area of 59806 square kilometers. Xingan gets its name because it is located in the middle of the Daxing'an Mountains, and "Xing'an" means hills. By the end of 2018, Xingan had jurisdiction over two county-level cities, one county and three banners, with a resident population of 1.6079 million and a regional gross domestic product (GDP) of 47.248 billion yuan, of which the added value of the primary industry was 15.418 billion yuan and that of the secondary industry was 13.682 billion.