Zhou Zhilin (3rd R), 90, survivor of the atrocious Nanjing Massacre, poses for photo with his family members at the Nanjing Massacre Memorial Hall in Nanjing, capital of east China's Jiangsu Province, on Dec. 6, 2015. He witnessed with his father in a hideout that his uncle Zhou Lixin was killed by Japanese army. Some survivors of the Nanjing Massacre held family memorial rites for their lost relatives at the Memorial Hall of the Victims in the Nanjing Massacre by Japanese Invaders, ahead of the national memorial day for the atrocity. At least 40 survivors of the Nanjing Massacre passed away since the January of 2014, leaving about 100 still alive. (Xinhua/Han Yuqing)