Actors dress in Japanese military uniforms in front of a communist-themed movie set during the filming of an anti-Japanese World War Two film at the Hengdian Film City in Zhejiang Province March 2, 2013. For Chinese audiences, the extras mown down in a screen war that never ends are a powerful reminder of Japan's brutal 14-year occupation, the climax of more than a century of humiliation at the hands of foreign powers. Picture taken March 2, 2013. To match Special Report CHINA-JAPAN/ REUTERS/Aly Song (CHINA - Tags: SOCIETY ENTERTAINMENT POLITICS CONFLICT MILITARY)

Actors in Japanese military uniforms watch a replay of a scene during the filming of an anti-Japanese World War Two film at the Hengdian Film City in Zhejiang Province March 2, 2013. For Chinese audiences, the extras mown down in a screen war that never ends are a powerful reminder of Japan's brutal 14-year occupation, the climax of more than a century of humiliation at the hands of foreign powers. Picture taken March 2, 2013. To match Special Report CHINA-JAPAN/ REUTERS/Aly Song (CHINA - Tags: SOCIETY ENTERTAINMENT POLITICS CONFLICT MILITARY)

An actor in a Japanese military uniform checks his mobile phone during the filming of an anti-Japanese World War Two film at the Hengdian Film City in Zhejiang Province March 2, 2013. For Chinese audiences, the extras mown down in a screen war that never ends are a powerful reminder of Japan's brutal 14-year occupation, the climax of more than a century of humiliation at the hands of foreign powers. Picture taken March 2, 2013. To match Special Report CHINA-JAPAN/ REUTERS/Aly Song (CHINA - Tags: SOCIETY ENTERTAINMENT POLITICS CONFLICT MILITARY)

Actors in Japanese military uniforms take pictures of each other during the filming of an anti-Japanese World War Two film at the Hengdian Film City in Zhejiang Province March 2, 2013. For Chinese audiences, the extras mown down in a screen war that never ends are a powerful reminder of Japan's brutal 14-year occupation, the climax of more than a century of humiliation at the hands of foreign powers. Picture taken March 2, 2013. To match Special Report CHINA-JAPAN/ REUTERS/Aly Song (CHINA - Tags: SOCIETY ENTERTAINMENT POLITICS CONFLICT MILITARY)

Actors in Japanese military uniforms line up during the filming of an anti-Japanese World War Two film at the Hengdian Film City in Zhejiang Province March 2, 2013. For Chinese audiences, the extras mown down in a screen war that never ends are a powerful reminder of Japan's brutal 14-year occupation, the climax of more than a century of humiliation at the hands of foreign powers. Picture taken March 2, 2013. To match Special Report CHINA-JAPAN/ REUTERS/Aly Song (CHINA - Tags: SOCIETY ENTERTAINMENT POLITICS CONFLICT MILITARY)

Actors in Japanese military uniforms watch a replay of a scene during the filming of an anti-Japanese World War Two film at the Hengdian Film City in Zhejiang Province March 2, 2013. For Chinese audiences, the extras mown down in a screen war that never ends are a powerful reminder of Japan's brutal 14-year occupation, the climax of more than a century of humiliation at the hands of foreign powers. Picture taken March 2, 2013. To match Special Report CHINA-JAPAN/ REUTERS/Aly Song (CHINA - Tags: SOCIETY ENTERTAINMENT POLITICS CONFLICT MILITARY)

Actors in Japanese military uniforms line up during the filming of an anti-Japanese World War Two film at the Hengdian Film City in Zhejiang Province March 2, 2013. For Chinese audiences, the extras mown down in a screen war that never ends are a powerful reminder of Japan's brutal 14-year occupation, the climax of more than a century of humiliation at the hands of foreign powers. Picture taken March 2, 2013. To match Special Report CHINA-JAPAN/ REUTERS/Aly Song (CHINA - Tags: SOCIETY ENTERTAINMENT POLITICS CONFLICT MILITARY)

An actor in a Japanese military uniform checks his mobile phone during the filming of an anti-Japanese World War Two film at the Hengdian Film City in Zhejiang Province March 2, 2013. For Chinese audiences, the extras mown down in a screen war that never ends are a powerful reminder of Japan's brutal 14-year occupation, the climax of more than a century of humiliation at the hands of foreign powers. Picture taken March 2, 2013. To match Special Report CHINA-JAPAN/ REUTERS/Aly Song (CHINA - Tags: SOCIETY ENTERTAINMENT POLITICS CONFLICT MILITARY)

Actors in Japanese military uniforms take pictures of each other during the filming of an anti-Japanese World War Two film at the Hengdian Film City in Zhejiang Province March 2, 2013. For Chinese audiences, the extras mown down in a screen war that never ends are a powerful reminder of Japan's brutal 14-year occupation, the climax of more than a century of humiliation at the hands of foreign powers. Picture taken March 2, 2013. To match Special Report CHINA-JAPAN/ REUTERS/Aly Song (CHINA - Tags: SOCIETY ENTERTAINMENT POLITICS CONFLICT MILITARY)

The set of an anti-Japanese World War Two film is seen at the Hengdian Film City in Zhejiang Province March 2, 2013. For Chinese audiences, the extras mown down in a screen war that never ends are a powerful reminder of Japan's brutal 14-year occupation, the climax of more than a century of humiliation at the hands of foreign powers. Picture taken March 2, 2013. To match Special Report CHINA-JAPAN/ REUTERS/Aly Song (CHINA - Tags: SOCIETY ENTERTAINMENT POLITICS CONFLICT MILITARY)

Actors in Japanese military uniforms take pictures of each other while holding a flag demanding the return of uninhabited islets known as Senkaku isles in Japan, Diaoyu islands in China and Tiaoyutai in Taiwan, to China, during the filming of an anti-Japanese World War Two film at the Hengdian Film City in Zhejiang Province March 2, 2013. For Chinese audiences, the extras mown down in a screen war that never ends are a powerful reminder of Japan's brutal 14-year occupation, the climax of more than a century of humiliation at the hands of foreign powers. Picture taken March 2, 2013. To match Special Report CHINA-JAPAN/ REUTERS/Aly Song (CHINA - Tags: SOCIETY ENTERTAINMENT POLITICS CONFLICT MILITARY)

Actors in Japanese military uniforms eat dinner during the filming of an anti-Japanese World War Two film at the Hengdian Film City in Zhejiang Province March 2, 2013. For Chinese audiences, the extras mown down in a screen war that never ends are a powerful reminder of Japan's brutal 14-year occupation, the climax of more than a century of humiliation at the hands of foreign powers. Picture taken March 2, 2013. To match Special Report CHINA-JAPAN/ REUTERS/Aly Song (CHINA - Tags: SOCIETY ENTERTAINMENT POLITICS CONFLICT MILITARY)

Actors in Japanese military uniforms walk past an equipment truck during the filming of an anti-Japanese World War Two film at the Hengdian Film City in Zhejiang Province March 2, 2013. For Chinese audiences, the extras mown down in a screen war that never ends are a powerful reminder of Japan's brutal 14-year occupation, the climax of more than a century of humiliation at the hands of foreign powers. Picture taken March 2, 2013. To match Special Report CHINA-JAPAN/ REUTERS/Aly Song (CHINA - Tags: SOCIETY ENTERTAINMENT POLITICS CONFLICT MILITARY)

Actors wait to be called to take part in an anti-Japanese World War Two film at the Hengdian Film City in Zhejiang Province March 2, 2013. For Chinese audiences, the extras mown down in a screen war that never ends are a powerful reminder of Japan's brutal 14-year occupation, the climax of more than a century of humiliation at the hands of foreign powers. Picture taken March 2, 2013. To match Special Report CHINA-JAPAN/ REUTERS/Aly Song (CHINA - Tags: SOCIETY ENTERTAINMENT POLITICS CONFLICT MILITARY)

Actors, one wearing a Japanese military cap (R), prepare to pose for a photo during the filming of an anti-Japanese World War Two film at the Hengdian Film City in Zhejiang Province March 2, 2013. For Chinese audiences, the extras mown down in a screen war that never ends are a powerful reminder of Japan's brutal 14-year occupation, the climax of more than a century of humiliation at the hands of foreign powers. Picture taken March 2, 2013. To match Special Report CHINA-JAPAN/ REUTERS/Aly Song (CHINA - Tags: SOCIETY ENTERTAINMENT POLITICS CONFLICT MILITARY)

An actor wearing a Japanese military cap (L), holds a flag demanding the return of uninhabited islets known as Senkaku isles in Japan, Diaoyu islands in China and Tiaoyutai in Taiwan, to China, during the filming of an anti-Japanese World War Two film at the Hengdian Film City in Zhejiang Province March 2, 2013. For Chinese audiences, the extras mown down in a screen war that never ends are a powerful reminder of Japan's brutal 14-year occupation, the climax of more than a century of humiliation at the hands of foreign powers. Picture taken March 2, 2013. To match Special Report CHINA-JAPAN/ REUTERS/Aly Song (CHINA - Tags: SOCIETY ENTERTAINMENT POLITICS CONFLICT MILITARY)

Actors, one wearing a Japanese military cap (C), pose for a photo during the filming of an anti-Japanese World War Two film at the Hengdian Film City in Zhejiang Province March 2, 2013. For Chinese audiences, the extras mown down in a screen war that never ends are a powerful reminder of Japan's brutal 14-year occupation, the climax of more than a century of humiliation at the hands of foreign powers. Picture taken March 2, 2013. To match Special Report CHINA-JAPAN/ REUTERS/Aly Song (CHINA - Tags: SOCIETY ENTERTAINMENT POLITICS CONFLICT MILITARY)