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.
Yilong County, which belongs to Nanchong City, Sichuan Province, is located in the northeast of Nanchong City, Sichuan Province. Nanchong County, 244 National Highway, 245 National Highway, 205 Provincial Highway, 206 Provincial Highway, 207 Provincial Highway, 304 Provincial Highway, Chengba Expressway and Ba-Guang-Yu Expressway run through or transit through Yilong County. Yilong County has undulating mountains, vertical and horizontal gullies, complex terrain, mild climate, four distinct seasons, sufficient heat, abundant rainfall, rain and heat in the same season, with a total area of 1791 square kilometers, including 29 towns, 7 townships and 1 street. Yilong County is an agricultural county based on planting and breeding industry, and it is the first county in the rabbit industry in the country, a key county in modern animal husbandry in the province, a key county in the construction of high-standard grain fields in the province, a demonstration county in agricultural technology popularization and fertilization in the country, and a demonstration county in soil testing and formula fertilization. It is rich in wheat, rape, rice, red potato, citrus and so on.