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.
Boli County belongs to Qitaihe City, Heilongjiang Province, which is located in the east of Heilongjiang Province. when the county was established, Yilan Daoyin was named with the meaning of "prosperous and smooth". It is located in the east of Heilongjiang Province, bordering with Baoqing, Jidong, Linkou, Yilan and Huanan counties. the geographical coordinates are 130 °6km east longitude and 46 °37km north latitude. The total area of the county is nearly 3000 square kilometers. As of 2013, Boli County has jurisdiction over 5 towns and 5 townships with a total population of 316000. In addition to the Han nationality, there are 14 ethnic minorities, such as Hui, Korean and Manchu. In 2013, Boli County achieved a regional GDP of 5.48 billion yuan, down 19.6% from 2012. It is a national commercial grain base county, a key plantation county, and a fruit tree production base county.