Watch "Jour de fête", by Jacques Tati, 1949. There's a stunt film-in-the-film about this kind of super efficient mail delivery methods. https://en.wikipedia.or

Watch "Jour de fête", by Jacques Tati, 1949. There's a stunt film-in-the-film about this kind of super efficient mail delivery methods. https://en.wikipedia.org/wiki/Jour_de_f%C3%AAte https://en.wikipedia.org/wiki/Jour_de_f%C3%AAte https://www.imdb.com/title/tt0040497/ https://www.imdb.com/title/tt0040497/