Matsuoka Tamaki (C) donates videotapes consisting Nanjing Massacre survivors' accounts to the Nanjing Massacre memorial hall in Nanjing, east China's Jiangsu Province, April 4, 2018. Japanese educator Matsuoka Tamaki donated hundreds of videotapes of survivors' accounts to the Nanjing Massacre memorial hall Wednesday, in an effort to raise awareness of atrocities during WWII. The videotapes document interviews Matsuoka conducted with more than 300 survivors of the massacre from 1998 to 2006, as well as testimonies some gave at hearings in Japan. (Xinhua/Li Bo)