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.
Tonghai County, which belongs to Yuxi City, Yunnan Province, is located in the south-central part of Yunnan Province, on the lacustrine plain by Qilu Lake, bordering Huanning County in the east, Eshan County and Hongta District in the west, Shiping County and Jianshui County in Honghe Prefecture in the south, and Jiangchuan County in the north, with a total area of 721 square kilometers. The special geographical and natural conditions of Tonghai County have achieved the reputation of Tonghai as "famous state of etiquette and music", "Xiujia Nandian" and "Crown Nanzhou". In the Ming and Qing dynasties, there were more than 230 people, 44 Jinshi, and 4 were selected into the Imperial Academy. He has successively won the honorary titles of "Provincial Historical and Cultural City", "National Cultural relics Advanced County", "National Cultural Advanced County", "Chinese couplet Culture County", "hometown of Chinese Poetry" and so on. By 2018, Tonghai County had jurisdiction over 2 streets, 4 towns and 3 townships, with a resident population of 31. 5%.