sentences:  Pneumatic tubes are a frequent sight throughout the film.The result is an anachronistic technology, "a view of what the 1980s might have looked like as viewed from the perspective of a 1940s filmmaker" which has been dubbed "retro-futurism" by fellow filmmakers Jean-Pierre Jeunet and Marc Caro.It is a mixture of styles and production designs derived from Fritz Lang's films (particularly "Metropolis" and "M") or film noir pictures starring Humphrey Bogart