Photo taken on Jan. 10, 2014 shows a report by Japanese Military Police of Kwangtung Army about the escape of forced Chinese laborers on Sep. 22, 1943, in Changchun, capital of northeast China's Jilin Province. The Japanese documents recently released by Jilin Provincial Archives regarding "forced Chinese labor" show in detail Japanese troops' warfare crimes on forcing Chinese laborers including exploitation, maltreatment and execution. [Xinhua]