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.
Ningxia Hui Autonomous region, referred to as Ning, is one of China's five autonomous regions, the capital of Yinchuan. It is located in the inland area of northwest China, bounded by latitude 35 °14 & # 39 in north latitude and longitude 104o 17 & # 39 in east longitude, bordering Shaanxi in the east, Inner Mongolia in the west and Inner Mongolia in the north and Gansu in the south. Ningxia Hui Autonomous region has a total area of 66400 square kilometers. The topography of Ningxia is gradually inclined from southwest to northeast, with numerous hills and gullies. The topography is divided into three major plates: the Yellow River diversion irrigation area in the north, the arid zone in the middle and the mountain area in the south. Ningxia is located in the Yellow River system, the terrain is high in the south and low in the north, showing a ladder-like decline, the whole region belongs to temperate continental arid and semi-arid climate. By the end of 2018, Ningxia Hui Autonomous region had jurisdiction over 5 prefecture-level cities, 9 municipal districts,