HARBIN, Aug. 21 (Xinhua) -- Nearly 2,000 new evidences of war crimes by Japanese Army Unit 731 were collected by the Museum of Evidence of War Crimes by Japanese Army Unit 731 in Harbin.
The Museum is on the site of the former base of biological weapon research, experiment and production of the Japanese army unit 731 in the capital of northeast China's Heilongjiang Province.
Unit 731 was a biological and chemical warfare unit of the Japanese army. It began construction of the base in 1935 during the Japanese army's occupation of northeast China.
The total number of evidences at the museum has reached 5,665, including medical equipment and daily necessities used by the former Japanese army.
The 6,300-square-meter museum building is home to 13 exhibition rooms, a gallery and an exhibition hall.
At least 3,000 people died at the base between 1939 and 1945, mostly in experiments for the development of biological weapons. Biological weapons killed at least 300,000 people in China.