Photo taken on Dec. 13, 2014 shows the memorial "ding," a type of ancient Chinese cauldron symbolizing state power and prosperity, for the Nanjing Massacre victims at the state ceremony for China's first National Memorial Day for Nanjing Massacre Victims at the memorial hall for the massacre victims in Nanjing, east China's Jiangsu Province. Chinese President Xi Jinping, along with Xia Shuqin, an 85-year-old massacre survivor, and a school child, unveiled the "ding". (Xinhua/Ma Zhancheng)
