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.
Yimen County is located in the central and western part of Yunnan Province, northwest of Yuxi City, connected with Anning City and Jinning District in the east, Eshan in the south, across the Luzhe River in the west and Shuangbai, and bordered by Lufeng County and Anning City in the north. It belongs to Yuxi City. The southeast is 146 kilometers away from Hongta District of Yuxi City, and 94 kilometers northeast from the provincial capital Kunming. The high-grade highway with a mileage of 43 kilometers can reach Kunming and Chuxiong from the county seat. The county has a distance of 44 kilometers from east to west and 57 kilometers from north to south, with a total area of 1571 square kilometers, ranking fourth in Yuxi City. The total population is 177110 (2010). The government is stationed in Longquan Town. Yimen Longquan National Forest Park, a national forest park approved by the State Forestry Administration in 1992.