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.
Tangyin County, which belongs to Anyang City, Henan Province, is a thousand-year-old county named by the United Nations. Tangyin County is the famous "township of three saints" with convenient transportation. Within a radius of 250 kilometers, there are four provincial capitals of Zhengzhou, Shijiazhuang, Jinan and Taiyuan, which are the commodity distribution centers of Henan, Hebei, Shandong and Jin provinces. Beijing-Guangzhou Railway Jinzhong-South Railway connects north, south, west and east, and the Beijing-Zhuhai Expressway and National Highway 107 crisscross in the territory. Tangyin County is located in the Piedmont zone where the North China Plain meets the Taihang Mountains, bordering Anyang County and Anyang Wenfeng District and Longan District in the north and east to the east.