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.
Langxi County, which belongs to Xuancheng City, Anhui Province, was founded in the first year of Duangong in the Northern Song Dynasty (AD 988). Located in the southeast border of Anhui Province, at the junction of Anhui, Jiangsu and Zhejiang provinces, it is known as the "thoroughfare of the three provinces" and has a superior location. As of 2018, Langxi County has jurisdiction over 7 towns, 2 townships and 1 provincial development zone, with a total population of 347500 and an area of 1104.8 square kilometers. Langxi County has a mild climate, fertile soil and rich products, known as "land of fish and rice" and "natural botanical garden". It is an important producing area of grain, oil and silkworm cocoons in Anhui Province and a national commodity grain base county; the main specialties are green tea, yellow wine, golden jujube, stuffy sauce, wild goose, silverfish, green shrimp, crab, soft-shelled turtle, etc.; the main minerals are fluorite, yellow sand, limestone, granite, kaolin, pyrophyllite and so on.