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.
Yantan District belongs to Zigong City, Sichuan Province, named after the district government stationed in Yantan Town. It was founded in 1953 and is located at the south gate of Zigong City. It is the hometown of martyr Lu Deming, commander of the Autumn Harvest uprising, and is one of the four municipal districts of Zigong City, the salt capital of the millennium. 12 kilometers away from Zigong City. The north is bordered by Da'an District, covering an area of 467.99k. The outline of the area is full of triangles, the landform is mainly hilly, the terrain is high in the northwest and low in the southeast, with an average elevation of 300 li 400 meters. Belongs to the gentle slope low hill, the gentle slope middle hill landform type, does not have the shape mountain range, suitable for ploughing area is large. At the end of 2011, the area of cultivated land along the beach was 258700 mu, including 163100 mu of paddy field, 95700 mu of dry land and 0.77 mu of per capita arable land.