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.
Sixian, which belongs to Suzhou City, Anhui Province, is located in the northeast of Anhui Province, bordering Sihong in the east, Lingbi in the west, Wuhe and Guzhen in the south, and Suining and Suqian in the north-east. The total area is 1787 square kilometers. Sixian County has a long history and was established as early as the Xia Dynasty. It is one of the important birthplaces of Sizhou opera, a national intangible cultural heritage. There are natural and beautiful "Hongxiang eight scenery", the ancient battlefield of the Chu-Han struggle-Bawang City monuments and sites, Sui and Tang dynasties Grand Canal Tongji Canal sites and other historical sites. As of 2018, Sixian County has jurisdiction over 12 towns, 3 townships, and another development zone. The resident population is 851000, with a regional gross domestic product (GDP) of 20.894 billion yuan. In terms of sub-industries, the added value of the primary industry is 5.005 billion yuan, and the secondary industry is increasing.