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.
Huludao, a prefecture-level city of Liaoning Province, is located on the western coast of Liaoning Province, with a central geographical position of 120 °38` east longitude and 40 °56` north latitude, adjacent to Jinzhou in the east, Shanhaiguan in the west, Bohai Bay in the south and Chaoyang in the north. Dalian, Yingkou, Qinhuangdao, Qingdao and other cities constitute the Bohai Economic Circle, which is an important gateway for Northeast China to enter the customs. By the end of 2018, Huludao City has a total area of 10400 square kilometers, including 3 districts, 2 counties and 1 city, with a total population of 2.764 million. Huludao City, formerly known as Jinxi City, was upgraded to a municipality under the provincial government in 1989, with a continental monsoon climate in the north temperate zone; with mountains and seas, the terrain gradually decreased from northwest to southeast. There are Beijing-Harbin Highway, G1 Beijing-Harbin Expressway, Shenshan Railway and Beijing-Harbin Railway in Huludao.