Photo taken on April 22, 2018 shows a set of the special stamps "Dream of the Red Mansion III" in Handan, north China's Hebei Province. China Post released the third set of stamps featuring the literature Dream of the Red Mansion and its characters. The Dream of the Red Mansion, written by Cao Xueqin living in the 18th century, is regarded as one of the four most famous classical Chinese literary works.(Xinhua/Hao Qunying)