Citizens purchase special zodiac stamps for the lunar year of the Pig in Yinchuan, capital of Ningxia Hui Autonomous Region, Jan. 5, 2019. China Post on Saturday issued a set of special zodiac stamps in honor of 2019 Chinese Lunar New Year, or the Year of the Pig. The Year of the Pig starts from Feb. 5, 2019. (Xinhua/Feng Kaihua)