Based on the provided information, the film 'Alte Stadt im Lebensstrom' does not contain identifiable LGBTQ+ characters or themes, resulting in no depiction for evaluation.

The 1948 documentary 'Alte Stadt im Lebensstrom' chronicles the history and reconstruction of Dresden. The film's focus is entirely on the city itself, and it does not feature any identifiable transsexual characters or themes, resulting in no depiction of such elements.

The movie does not contain any action or adventure elements.

As a 1948 documentary film, "Alte Stadt im Lebensstrom" focuses on real-world subjects rather than fictional or historical characters with established canonical genders. Therefore, the concept of a gender swap, as defined, does not apply.

This 1948 German film is a documentary about the city of Dresden. It does not feature narrative characters from source material or specific historical figures whose race could be canonically established and then altered. Therefore, the concept of a 'race swap' as defined does not apply.