The film's photography work is held by Huang Yuetai, who has won the Best Cinematography Award at the 6-time Academy Awards. The first is the shooting of the big scene. Huang Yuetai used the phrase "the most in the past 30 years" to describe the crowd of actors. The crew used 8 cameras to shoot a scene with thousands of people at the same time, and if there are 3 scenes, there are 24 cameras. Three or four cameras should be activated at the same time when filming a text. Huang Yuetai felt that the reaction of capturing the moment during photography would be more natural, so he filmed the actor's natural expression through the lens
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The Suzhou trench night drama is the biggest scene of the night dramas Huang Yuetai has ever filmed. The night scene range of two or three kilometers should express the mood of the soldiers after nine months in the trenches. The city wall is dark on one side, but brightly lit on the other side. But Peter Chan's request was that the trench side should be dark and not have any supplementary light sources. This posed a problem for photography. In the end, Huang Yuetai came up with the method of "drilling wood to make fire". With the help of a lot of fluorescent lights hitting the city wall and reflecting back on people's faces, the whole scene was shot
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As for the tone color of this film, Peter Chan insisted on "unprecedented", Huang Yuetai can only use all his powers, red, blue, green plus various lights, tossing over and over again, constantly being denied, and then constantly repeating. Peter Chan was not satisfied until the end, when Huang Yuetai used bronze as the base color of the film. The whole movie has always been in cool colors, and it was not until the three protagonists in the play were promoted to the south that the bright colors began to come out, and the scenery, costumes, and lighting also had a color treatment
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