China Stamps - 1991 , T164 , Scott 2347-50 Imperial Summer Resort, two First Day Covers (stamp set + S/S) Imperial Summer Resort postmarked, F-VF (Free Shipping by Great Wall Bookstore) : Located in the city of Chengde, northern Hebei Province, the Chengde Imperial Summer Resort was first built in 1703, and it was expanded in 1792. The resort occupies a total area of 5.64 sq. m.Since it is only 250 km from Beijing, emperors of the Qing Dynasty lived here with their concubines and ministers in the summer months every year. The emperors handled court affairs and received foreign envoys and tribal leaders in this summer resort, which was known as the second capital of the dynasty. The structures of the resort mainly include the Dan Bo Jing Cheng (Detachment and Loyalty) Hall, which is entirely made of valuable nanmu wood, and Wenjin Tower, a library housing the Complete Chinese Classics. In addition, there are also Jinshan (Golden Mountain) Temple and Ruyi (Good Luck) Islet.There were 12 Lamaist temples located in the north and east of the resort. They were built to symbolize the Qing Dynasty's policy of strengthening the unity of the country's various ethnic groups. The existing temples include Puning Temple, Pule Temple, Xumifushou Temple, Putuozongsheng Temple, Anyuan Temple and Shuxiang Temple.