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.
Changge City, which belongs to Xuchang City, Henan Province, is a county-level city under Xuchang's jurisdiction; it is adjacent to Xuchang City-Jian'an District to the south, Zhengzhou Airport area to the north and Xinzheng International Airport to the north, between latitude 34 °20km north and longitude 113o 34km east. It has a total area of 650square kilometers and a resident population of 679300 (2016). It has jurisdiction over 4 streets and 12 towns. Changge City has two industrial agglomeration zones (Changge Economic and technological Development Zone and Changge Dazhou Industrial agglomeration Zone). By 2015, Changge City has built 10 national and provincial enterprise technology centers and 2 postdoctoral workstations. GE, head of China's top 100 industrial counties, ranked 54th in 2017. The main business income of industry in 2016 is 215.8 billion, the first in Henan county.