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.
Pingchuan District is a municipal district under the jurisdiction of Baiyin City, Gansu Province, which is located in the north of the middle of Baiyin City, Gansu Province. The general characteristics of the topography of Pingchuan District are high in the southeast and low in the northwest, tilting from the southeast to the northwest. The total area is 2106 square kilometers and the population is 209000 (2016). Pingchuan District has jurisdiction over 4 streets, 4 towns and 3 townships. Pingchuan is an important coal and electricity energy base in Gansu, with an annual output of more than 12 million tons of high-quality raw coal and 13 billion kilowatt-hours of electricity generation. Pingchuan is the largest ceramic production base in northwest China, with clay reserves of more than 4 billion tons and annual output of nearly 20 million square meters of wall and floor tiles. Pingchuan has been awarded "China Ceramic Industry transfer demonstration Base" by China Ceramic Industry Association. In 2009, Pingchuan District won the title of Advanced Zone of Scientific and technological Progress in China. In 2016, Pingchuan District achieved regional health throughout the year.