If it were me, I could add some drama. For example, some parts of that mutilated picture were misunderstood or something.
All in all, there seems to be something missing. It's only a bit tense at the sluice section.
In fact, I was still moved, but it was not the last sunrise, but the note that taught them how to use matches.
The mechanics in the film are very interesting, and the props, including the costumes, are well designed.
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