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.
Dangshan, which belongs to Suzhou City, Anhui Province, is called Xiayi in ancient times. It is located at the northernmost end of Anhui Province, at the junction of Anhui, Jiangsu, Shandong and Henan provinces and seven counties, and is connected to Xiao County of this province in the southeast. It is adjacent to Yongcheng City, Xiayi County and Yucheng County of Henan Province from south to west; it is connected with Shan County of Shandong Province in the northwest and Feng County of Jiangsu Province in the northeast. The total area is 1193 square kilometers. Dangshan has a long history and rich resources. It has been built for more than 2200 years since Xiayi County was built in Qin Dynasty. Dangshan is known as the "pear capital of the world" and is known as "the hometown of crisp pears in China". In April 2010, it was recognized by Guinness Book of Records as the largest continuous orchard production area in the world. It is "the hometown of Chinese martial arts" and "the hometown of Chinese suona". It is the hometown of Zhu Wen, the founding emperor of the later Liang Dynasty. By 2018, there were 13 towns under the jurisdiction of Dangshan County.