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.
Yanchuan County, which belongs to Yan'an City, Shaanxi Province, is located in the north of Shaanxi Province, northeast of Yan'an City, facing the Yellow River to the east and Yonghe County of Shanxi Province to the east, Qingjian County of Yulin City to the north, Zichang County to the northwest, Baota District to the west and Yanchang County to the south. 80 kilometers away from Yan'an, the county is 74.25 kilometers long from east to west and 51.5 kilometers wide from north to south. Between 109o 3620 "- 110o 2644" east longitude, 36o 3715m / m 37 °5 & #39;55" north latitude, with a total area of 1985 square kilometers. Yanchuan is the hometown of national modern folk art named by the Ministry of Culture. Li Kui, the only literary champion in northern Shaanxi, and Li Lulu, a poetess of the Qing Dynasty, are all in Yanchuan. Yanchuan writers represented by Lu Yao are famous in the Chinese literary world; paper-cut, cloth painting,