NANJING, Jan. 19, 2016 (Xinhua) -- Donator Zhang Ang, son of Zhang Yisheng, a deceased Flying Tigers member, shows an old picture kept by his father at the Nanjing Massacre Memorial Hall in Nanjing, capital of east China's Jiangsu Province, Jan. 19, 2016. The memorial hall on Tuesday received more than 200 pieces of relics including Flying Tigers uniform and handprints of anti-Japanese war veterans. (Xinhua/Ji Chunpeng)