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.
Bengbu, referred to as clam, also known as Pearl City, is a prefecture-level city in Anhui Province, an important comprehensive industrial base in Anhui Province, located in the north of Anhui Province, the middle reaches of the Huaihe River, with a total area of 5950.72 square kilometers. The registered population is 3.8125 million and the resident population is 3.3767 million. As of 2018, Bengbu has jurisdiction over 4 municipal districts and 3 counties: Longzihu District, Bengshan District, Yuhui District, Huaishang District, Huaiyuan County, Wuhe County, Guzhen County, Bengbu High-tech Development Zone and Bengbu Economic Development Zone. Bengbu Municipal Government is located at 3115 Donghai Avenue, Bengshan District. According to the history, Bengbu is the place where pearls are collected in ancient times, so it is known as "Pearl City". On January 1, 1947, Bengbu was officially established as the first city in Anhui Province. In April 1952, Bengbu City was directly under Anhui Province. Bengbu