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.
Dongguan, one of the prefecture-level cities under the jurisdiction of Guangdong Province, one of the central cities of the Pearl River Delta and one of the cities of Guangdong-Hong Kong-Macau Greater Bay Area, is a central city on the east coast of the Pearl River Delta approved by the State Council. By 2018, the city had jurisdiction over 4 streets and 28 towns, with a land area of 2460.1 square kilometers, a sea area of 82.57 square kilometers, a resident population of 8.3922 million, and an urban population of 7.6386 million, with an urbanization rate of 91.02%. Dongguan is located in the central and southern part of Guangdong Province, the east bank of the Pearl River Estuary, Guangzhou in the northwest, Shenzhen in the south and Huizhou in the northeast. Dongguan is the first of the "four little tigers of Guangdong" and is known as the "factory of the world". It is also one of the five prefecture-level cities without districts and one of the new first-tier cities in the country. Dongguan established a county during the period of the three Kingdoms.