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.
Daiyue District, located in Taian City, Shandong Province, is located in the hinterland of Qilu, Jinan, the provincial capital, Qufu, the hometown of Confucius, between latitude 35 °52 "29"-36 °28 "36" and longitude 116 °50 "26"-117 °28 "16" east. It is 66 kilometers from north to south and 56 kilometers from east to west, with a total area of 917.2 square kilometers. The overall topography of Daiyue District is high in the north and low in the south, high in the east and low in the west, with mountains, hills and plains accounting for 1/3 each, which belongs to the temperate continental semi-humid monsoon climate. It is the birthplace of the ancient civilization "Dawenkou culture". In the Spring and Autumn and warring States period, it has the reputation of "plucking the land since ancient civilization, Qilu must compete for Wenyang field". During the Western Han Dynasty, Liu an, king of Huainan, left here the chant of "the beauty of the central government, there is Daiyue".