Complex sentence: A WR set appears twice in the 1963 British Transport Film "Snow" in both a panoramic view and a passing view from an adjacent track at slow speed, and a few very short snips of close side on views of the train passing the camera.
Split into simpler sentences: A WR set appears twice in the 1963 British Transport Film "Snow" in both a panoramic view and a passing view from an adjacent track at slow speed. There are also a few very short snips of close side on views of the train passing the camera.