I cannot understand why the writer-director of this film committed suicide. Obviously he shows a great potential in this very professional directorial debut, which reminds me of Steven Spielberg, James Cameron and Jiang Wen on their directorial debuts. The mind-blowing screenplay, bitingly cold theme, atmospheric approach, stunning cinematography and economic direction are just speechless. It is four-hours long, but once you start watching, you would never stop until the finish.