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.
Lueyang County, which belongs to Hanzhong City, Shaanxi Province, is located in the southwest of Shaanxi Province, at the junction of Shaanxi, Gansu and Sichuan provinces. Lueyang is bordered by Mianxian County and Ningqiang County in the southeast and Kangxian County, Cheng County and Huizhou County in Gansu Province in the northwest. The total area is 2831 square kilometers. Lueyang Shijian County in the Western Han Dynasty Yuan Ding six years (111 years ago), "with its ability to show the opportunity to become more and more slightly, rule in the south of Xiangshan called Yang", hence the name Lueyang. In 2018, Lueyang County had jurisdiction over 2 streets and 15 towns with a resident population of 200028, with a regional gross domestic product (GDP) of 7.235 billion yuan, of which the added value of the primary industry, the secondary industry and the tertiary industry reached 845 million yuan, 2.998 billion yuan and 3.392 billion yuan, respectively.