The Great Central Railway has once again taken centre stage, with one of its home-fleet steam locomotives, Great Western Railway icon 6990 Witherslack Hall, appearing in the brand-new Netflix series Seven Dials .   While filming took place outside of GCR’s home turf of Charnwood in Leicestershire, the locomotive’s on-screen role is a powerful stamp of authenticity – reinforcing the Great Central Railway’s reputation as the UK’s most cinematic heritage railway and the only one