Visitors view portraits and introduction of comfort women survivors in an exhibition of photos and real objects at the Hangzhou Library in Hangzhou, capital of east China's Zhejiang Province, Aug. 18, 2015. An exhibition to mark the 70th anniversary of victory in the Chinese People's War of Resistance Against Japanese Aggression kicked off here on Tuesday, displaying 70 international comfort women survivors' portraits, daily objects and handprints. (Xinhua/Ju Huanzong)

Visitors view handprints of comfort women survivors in an exhibition of photos and real objects at the Hangzhou Library in Hangzhou, capital of east China's Zhejiang Province, Aug. 18, 2015. An exhibition to mark the 70th anniversary of victory in the Chinese People's War of Resistance Against Japanese Aggression kicked off here on Tuesday, displaying 70 international comfort women survivors' portraits, daily objects and handprints. (Xinhua/Ju Huanzong)

Daily objects of comfort women survivors are seen in an exhibition of photos and real objects at the Hangzhou Library in Hangzhou, capital of east China's Zhejiang Province, Aug. 18, 2015. An exhibition to mark the 70th anniversary of victory in the Chinese People's War of Resistance Against Japanese Aggression kicked off here on Tuesday, displaying 70 international comfort women survivors' portraits, daily objects and handprints. (Xinhua/Ju Huanzong)