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.
Xinjiang Uygur Autonomous region, referred to as "Xin", the capital city of Urumqi, located in the northwest border of China, is one of China's five ethnic minority autonomous regions. With an area of 1.66 million square kilometers, it is the largest provincial administrative region in China, accounting for 1/6 of China's total land area. The resident population is 24.8676 million (at the end of 2018). Xinjiang is located in the hinterland of Eurasia, with a land border of more than 5600 kilometers, and is bordered by Russia, Kazakhstan, Kyrgyzstan, Tajikistan, Pakistan, Mongolia, India, and Afghanistan. It is an important passage of the ancient Silk Road in history, and now it is a necessary place for the second "Eurasian Continental Bridge", and its strategic position is very important. There are 56 nationalities in Xinjiang, mainly living in Han, Uygur and Uygur.