From 1931 to 1945, the Chinese people endured extreme hardship during their 14-year war of resistance against Japanese aggression, which contributed greatly to victory in the World Anti-Fascist War. This struggle is vividly presented in the documentary film "Mountains and Rivers Bearing Witness," which combines a vast amount of video material, including rare footage of the Chinese people rising up against Japanese aggression under the leadership of the Communist Party of China. The film is set t