Zhazi Cave Cinder Cave is located at the foot of Gele Mountain in Ciqikou and Wulingguan, suburban area of Chongqing. It is used to been a coalmine founded in 1920 by a businessman named Chen Erchang. Its name originally artificial small coal mines coal mining, because much less coal slag named. It is surrounded on three sides by mountains, facing the ditch, terrain concealment.
Since 1938, it became a clandestine prison for Kuomintang to lock up and persecute revolutionaries. Zhazi Cave since the beginning, two chambers, the inner court was the end of the first floor of a male prison 16, and another two bungalows for women in prison, outside the hospital as a special offices and torture chambers.
The day before the new Chinese government was founded in 1949, secret agents of Kuomintang set fire to Zhazi Cave prison, and it only 15 Revolutionaries survived from the fire. Zhazi Cave, as a political prison, was filled pain and death at that time, yet it was also a place where heroes were produced. It is a place that witnessed the Chinese people devoting their lives to their political belief.