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.
Guangyuan City, a prefecture-level city under the jurisdiction of Sichuan Province, borders Gansu Province and Shaanxi Province in the north; Nanchong City in the south; Mianyang City in the west; Bazhong City in the east; on the northern edge of Sichuan, the mountain is in the transition zone to the basin, belonging to the subtropical humid monsoon climate; the city has a total area of 16314 square kilometers, with 3 districts and 4 counties under its jurisdiction; and there are 3.0262 million registered residents in 2017. Guangyuan City has been an important passageway into Sichuan since ancient times. It is the old place of Guo, the fortress of entering Shu, and the important town of the three Kingdoms. Guangyuan has a profound cultural heritage, especially the bright red gene handed down from generation to generation. Guangyuan is the concentrated display of pre-Qin ancient plank road culture and Chinese Shu road culture, the core corridor of the history and culture of the three Kingdoms, and the birthplace of the only female emperor Wu Zetian in Chinese history. It is also the core area of the former Sichuan-Shaanxi Soviet area and the later stage of the Red fourth Front Army.