18th April 2019 GWR celebrity powercar No.43172 & No. 43162 'Caerhays Castle' sweep through Marlands on Thursday 18th April 2019 with the 1A79 06:47 Penzance to London Paddington service. With just five long-distance HST diagrams operating in the South West, the end of the long-distance HST is drawing ever closer. (Photo: S A Ginn)