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.
Panjin City is a prefecture-level city under the jurisdiction of Liaoning Province, located in the central and southern part of Liaoning Province, located in the center of the Liaohe Delta, is a city at the mouth of the Liaohe River; its geomorphology is high in the north and low in the south, gradually tilting from north to south; it is located in the north temperate zone and belongs to the warm temperate continental semi-humid monsoon climate; it has jurisdiction over one county and three districts; the city has a resident population of 1.439 million at the end of 2018, with a total area of 4102.9 square kilometers. Panjin is an important oil and petrochemical industry base in China and one of the important central cities in Liaoning coastal economic belt. Panjin is a "petrochemical new city", built on the edge of oil and flourished because of oil; the red beach scenic spot dominated by the Red Beach National Scenic Corridor is a national 4A-level scenic spot and an excellent tourist scenic spot in Liaoning Province. The ancient town Tianzhuangtai was the battlefield of the last battle of the Sino-Japanese land war between China and Japan, and became the education of patriotism.