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.
Anning District, Lanzhou District, Gansu Province, is located in the central part of Gansu Province, the western suburbs of Lanzhou City, the north bank of the Yellow River; located in the valley of the Lanzhou section of the Yellow River, the terrain is high in the north and low in the south, the continental climate is remarkable, with four distinct seasons; the total area is 82.33 square kilometers and has jurisdiction over 8 streets; in 2014, the household registration population was 187189. The name of Anning District comes from Anning Castle, a military castle in the Ming Dynasty. it means "peace without trouble and without infringement". It is one of the necessary places of the ancient Silk Road. The forest coverage rate in the area is 43.4%, and the per capita public green space area reaches 12.2 square meters. won the title of "National Greening Model County" The western section of the Yellow River tourism customs line runs through the whole territory of Anning District, where there are Tianaxe Sand Palace, Renshou Hill, Yintan Wetland Park, Lanzhou Botanical Garden, Anning Ecological and Cultural Park, Jiuzhoutai and Wenshu Pavilion.