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.
Wanshan District, which belongs to Tongren City, Guizhou Province, is the main urban area of Tongren City. It is dominated by karst karst landforms and belongs to the mid-subtropical monsoon humid climate. In November 2011, the State Council approved the cancellation of Tongren City at the prefecture level and the establishment of Wanshan District. It now covers an area of 842 square kilometers with a total population of 270000 and has jurisdiction over 11 townships (towns and streets). With convenient transportation, Wanshan is an important transportation hub for Sichuan and Chongqing to reach the sea from the east, Shanghai and Hangzhou to the west to Guizhou and Yunnan, Beijing and Tianjin to the south to Guiqiong, Guangzhou and Shenzhen to the north to Shaanxi and Gansu. The three expressways of Shanghai, Kunming, Hangzhou and Rui pass through the border. Hunan-Guizhou Railway, Zhu-Liu double Line and Yu-Huai double Line are surrounded by three railways, reaching Tongren Railway Station, Tongren High-speed Railway Station and Zhusha Guzhen Station in 10 minutes, and Dalong, Yuping, Xinhuang Railway Station and Shanghai-Kunming High-speed Railway Station Tongren in 30 minutes.