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.
Yangxin County, which belongs to Binzhou City, Shandong Province, is a county-level administrative district, which is located in the center of the development of the Yellow River Delta plain. Han Xin, a famous general of the Han Dynasty, got his name from the Yang of the Gudu River in Yanfuan Qi. Yangxin County, with a total area of 793square kilometers and a population of 450000 (2010), has jurisdiction over two subdistrict offices, seven towns and one township. Yangxin is the first batch of comprehensive reform pilot counties in China, and it is the pilot area of reform and opening up in Shandong Province. Yangxin is China's high-quality wheat production base county, China's advanced scientific and technological work county, China's top 100 animal husbandry county, China stainless steel production base county.