Based on the lack of available information, there are no identifiable LGBTQ+ characters or themes present in the film '{飞哥跌落坑渠}'. Therefore, a holistic evaluation of its portrayal of LGBTQ+ elements cannot be performed, resulting in a 'N/A' rating.

No information is available regarding the presence of transsexual characters or themes in the film {花落水流红} (1967). Consequently, an evaluation of its portrayal of such elements is not possible, resulting in a 'N/A' rating.

The movie does not contain any action or adventure elements.

Without information regarding the film's source material, prior adaptations, or historical context for its characters, it is not possible to identify any instances where a character's established gender was changed.

The film title and year are provided, but no character details, source material, or prior canonical racial depictions are available. Without this information, it is not possible to determine if any character's race was changed from an established baseline.