Standish Lawder's short film, Corridor (1970), is not strictly horror. In fact, it's listed as a documentary under the genre tab on Letterboxd. It's a film without traditional corporeality to it and definitely does not fall under the label of 'educational', and yet, this is what it has been labelled as. It follows a POV shot, travelling down a hallway towards what appears to be a naked woman. As the camera travels towards the end of the corridor to reach her, the walls seem to flicker and fluctuate - the audience, along with the camera operator, are repeatedly shot back to the beginning, endlessly reaching for the only human in frame that is agonisingly unobtainable. The dizzying frustration met with dread culminates in something that is akin to horror. You could see this replicated in a traditional horror movie with ease, in a dream sequence or when a character is hallucinating. Without a doubt, a looping, ungovernable environment has featured across genres an...