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.
Yunfu City is located in the central and western part of Guangdong Province, south of the middle reaches of the Xijiang River, adjacent to the Pearl River Delta, bordering Zhaoqing, Foshan, Jiangmen, Yangjiang, Maoming and Wuzhou, Guangxi. The urban area is more than 140 kilometers away from the provincial capital Guangzhou and 177 nautical miles away from Hong Kong by waterway. In April 1994, a prefecture-level city was established, under the jurisdiction of Yuncheng District, Yunan District, Xinxing County and Yunan County, in charge of Luoding City. Yunfu is one of the cities in the Pearl River Delta urban agglomeration and an important node city in the Pearl River-Xijiang Economic Belt. Yunfu is rich in mineral resources. Yunfu is one of the important polymetallic mineralization concentration areas in China, in which the reserves and grade of pyrite rank first in the world and are known as the "sulfur capital". It is the largest production base of sulfur chemical industry in China and the largest production base of stainless steel tableware in Guangdong Province. Stone processing has a long history and is known as the "stone capital". Yunfu is the center of China's stone base.