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.
Liaoyuan City, a prefecture-level city under the jurisdiction of Jilin Province, is located in the central and southern part of Jilin Province, located in the upper reaches of the East Liao River and Huifa River. It is named because the East Liao River originated here, with a geographical outline of "five mountains, one water and four fields". The urban built-up area covers an area of 46 square kilometers. It accounts for 2.8% of the total area of the province. It has jurisdiction over Dongfeng and Dongliao counties, Longshan and Xi'an, with a total population of 1.1724 million. Liaoyuan has a long history and rich cultural heritage. There have been human activities since the Bronze Age, which is one of the important birthplaces of the Manchu. It was designated as the royal "Shengjing paddock" in the Qing Dynasty. After the lifting of the ban in 1902, the county system was established and upgraded to a prefecture-level city in 1983. In 2017, Liaoyuan City achieved a regional GDP of 66.865 billion yuan, with an annual per capita GDP of 55.