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.
Nanzheng District, which belongs to Hanzhong City, Shaanxi Province, gets its name because of Zheng people's running south. It is located in the southwest border of Shaanxi Province, southwest of Hanzhong Basin, facing Hanjiang River in the north and Yiba Mountain in the south. The area is adjacent to Chenggu County and Xixiang County in Shaanxi Province in the east, Tongjiang County, Nanjiang County and Wangcang County in Sichuan Province in the south, Ningqiang County and Mian County in Shaanxi Province in the west, and Hantai District in Shaanxi Province across the river in the north, covering an area of 2809.0363 square kilometers. The climate in the territory belongs to the north subtropical zone and the warm temperate zone, especially in the north subtropics. Nanzheng is not only an important part of Hanzhong "double hundred" urban planning, but also an economically developed area of Hanzhong City, which has a world-class Tiankeng group. Nanzheng District is also a large area of tourism resources in Shaanxi Province, with scenic spots such as Nanhu Lake, Hongsi Lake,