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An orphan left behind by Japanese visits the Exhibition Hall of Evidences of Crime Committed by Unit 731 of the Japanese Imperial Army in Harbin, northeast China's Heilongjiang Province, June 23, 2017. (Xinhua/Wang Song)
An orphan left behind by Japanese visits the Exhibition Hall of Evidences of Crime Committed by Unit 731 of the Japanese Imperial Army in Harbin, northeast China's Heilongjiang Province, June 23, 2017. (Xinhua/Wang Song)