![New evidence reveals Japanese wartime immigration to NE China(7/8)](http://www.ecns.cn/hd/2015/08/13/f3a5ea37f4ab48ee930af671aa540a7a.jpg)
Photo taken on Aug. 12, 2015 shows files recording women being forced to serve as comfort women for Japanese forces during WWII, at the provincial archives in northeast China's Heilongjiang Province. The Heilongjiang Provincial Archives on Tuesday published archival files related to Japanese wartime immigration to northeast China, comfort women and live victims used for bacteriological experiments. (Photo: Xinhua/Wang Song)