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.
Chenggu County, belonging to Hanzhong City, Shaanxi Province, is located in the hinterland of Hanzhong Basin in southern Shaanxi, with the southern foot of Qinling Mountains to the north, the northern slope of Nanpingba Mountain to the north, and the Hanjiang River in Zhongna to the north. Between longitude 107 °30 'east longitude and 32 °45km north latitude, the terrain is north-south long (average length 101km), east-west narrow (average length 42km), with a total area of 2265 square kilometers. Chenggu, which has been established under the county system in the Qin Dynasty for more than 2300 years, is a "famous historical and cultural city" in Shaanxi Province. It is the life and burial place of Li Gu, a famous diplomat, explorer and pioneer of the Silk Road in the Western Han Dynasty, who is known as quot;, the mouthpiece of quot; Beidou. There are 437 scenic spots, cultural landscapes and cultural sites in the territory, including Tibetan.