Don't Look Now Movie Wiki

As well as the unusual handling of its subject matter, Don't Look Now is renowned for its atypical but innovative editing style, and its use of recurring motifs and themes. The film often employs flashbacks and flashforwards in keeping with the depiction of precognition, but some scenes are intercut or merged to alter the viewer's perception of what is really happening. It also adopts an impressionist approach to its imagery, often presaging events with familiar objects, patterns and colours using associative editing techniques.
Originally causing controversy on its initial release due to an explicit and—for the time—very graphic sex scene between Christie and Sutherland, its reputation has grown considerably in the years since, and it is now acknowledged as a modern classic and an influential work in horror and British film
Don't Look Now Movie Wiki