Alien: Romulus's chestburster scene was inspired by David Attenborough nature documentaries, says director Fede Alvarez

Alien: Romulus director Fede Alvarez has made no secret of the fact that the sci-fi horror sequel is piggybacks off a deleted scene from James Cameron's Aliens. One particular moment, though, found inspiration in a much more surprising place: nature documentaries.Breaking down the film's iconic chestburster scene – which you can see in the movie's trailer – in the new issue of Total Film, which hits newsstands on Thursday, July 19 and features the sci-fi horror on the cover, Alvarez