The Pingdingshan Massacre Memorial Hall documents one of the most lethal Japanese atrocities of the Manchukuo occupation, carried out in 1932 in reprisal for local resistance to Japanese rule. The memorial is unusual in that the excavated remains of the victims are displayed as found — bones arranged in mass-grave configuration under glass panels — rather than being reinterred. The effect is visceral in a way that photographs and statistics cannot achieve.
The hall is located in the Dongzhou district, about eight kilometres from the city centre, and is free to enter. The exhibits include survivor testimonies (recorded before the last witnesses died), Japanese military documents, and contextual material on the occupation of Manchuria. It's handled with the restrained solemnity that characterises China's best atrocity memorials — the physical remains do the speaking.