People listen as Chen Deshou, a survivor of Nanjing Massacre, talks on the bitter experience of his family during the notorious Nanjing Massacre in the anti-Japanese aggression war at a hall in Tokyo, Japan, on Dec. 9, 2015. A loal citizen community of Tokyo held a testimony meeting of Nanjing Massacre, inviting Chen Deshou, a survivor in the massacre, to tell his sad stories in the massacre. The organizer of the activity hoped people not to forget the history and to cherish peace. (Xinhua Maping)