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.
Yuzhou City, referred to as "Jun", in ancient times known as "Xiayi", "Yangzhai", "Junzhou", Henan Province under the jurisdiction of county-level cities. Yuzhou City, with a total area of 1461 square kilometers and a central urban area of 114square kilometers, is located in the middle of Henan Province and is the central city on the southern edge of the Central Plains urban agglomeration. at the end of 2016, Yuzhou has a total population of 1.29 million and a resident population of 470000. Yuzhou is one of the birthplaces of the Chinese nation, the capital of the Xia Dynasty, the first slave dynasty in China, the only producing area of Jun porcelain, one of the five famous porcelain in China, and one of the four distribution centers of traditional Chinese medicine in the Ming and Qing dynasties. It is known as "Xia Capital", "Jun Capital" and "Medicine Capital". It was named as the first batch of famous historical and cultural cities in Henan Province in 2011 and the "hometown of Chinese Dayu Culture" in 2007.