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.
Huaibei, referred to as "Huai", called "Xiangcheng" in ancient times, is a prefecture-level city in Anhui Province. The central city in the northeast of Anhui Province, an important energy city in the country. Located in the north of Anhui Province, it is located at the junction of Jiangsu, Shandong, Henan and Anhui provinces, Xiao County in the north, Bozhou in the south, Suzhou in the east and Shangqiu in Henan Province in the west. It is 150km long from north to south and 50km from east to west, with a total area of 2802 square kilometers, making it the smallest prefecture-level city in Anhui Province. The total population in 2016 is 2.165 million. It has jurisdiction over three municipal districts in Xiangshan District, Liishan District, Duji District and one county in Suixi County. The municipal government is stationed in Xiangshan District. Huaibei has a long history and a gathering of humanities. More than four thousand years ago, the eleven ancestors of Shang and Tang Dynasty built the city at the southern foot of Xiangshan, which was the beginning of civilization. Since then, successive dynasties have set up counties and counties here. There are Uncle Yu, Huan Tan, Ji Kang, Liu Ling and so on.