The documentary 'Buenos Aires Zero Degree: The Making of 'Happy Together'' provides a behind-the-scenes look at the making of Wong Kar-wai's film. It primarily explores the production challenges and the director's creative vision for a story focused on a gay male couple, without depicting or discussing transsexual characters or themes.

The movie does not contain any action or adventure elements.

This film is a documentary about the making of 'Happy Together.' As a 'making-of' feature, it documents real people and the production process, rather than adapting or reinterpreting fictional characters in a way that would involve gender swaps.

This film is a documentary about the making of 'Happy Together.' It does not feature fictional characters adapted from source material with established races, nor does it portray real historical figures with actors of a different race. Therefore, no race swaps occur.