Furthermore, following the outbreak of the Pacific War, many prisoners of the allied forces who the Japanese army captured in Hong Kong, the Malay Peninsula, Singapore, the Philippines, etc., Chinese laborers who were forced to be brought against their will from the Chinese continent, and Koreans who were drawn from the Korean Peninsula were poured into the scene of labor.
さらに太平洋戦争の勃発にともなって香港、マレー半島、シンガポール、フィリピンなどで日本軍が捕獲した多数の連合軍捕虜、中国大陸からは強制連行されてきた中国人労働者、さらに朝鮮半島から徴用された朝鮮人が現場に投入された。