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.
Zhenjiang, a prefecture-level city under the jurisdiction of Jiangsu Province, is an important port and scenic tourist city in the Yangtze River Delta, with a geomorphological trend of high in the west and low in the east, high in the south and low in the north, belonging to the north subtropical monsoon climate, with a total area of 3847 square kilometers. it has jurisdiction over 3 districts and 3 county-level cities; the resident population is 3.1964 million in 2018. Zhenjiang changed its name many times: it was called "Zhu Fang" in the Spring and Autumn period, "Guyang" in the warring States period, "Dantu" in the Qin Dynasty, "Jingkou" in the three Kingdoms, "South Xuzhou" in the Southern Dynasty and Song Dynasty, and "Runzhou" after the unification of the Sui Dynasty. The name of Zhenjiang has been changed since the Northern Song Dynasty. Zhenjiang is located in the southeast coast of China, southern Jiangsu, the center of the north wing of the Yangtze River Delta, the only confluence hub of the Yangtze River and the Beijing-Hangzhou Grand Canal; Changzhou and Wuxi to the south, Yangzhou to the north and Nanjing to the west; it is an important traffic center in East China. Within the territory