Opened in 1836 as a horse tramway using gravity to carry slate from Blaenau Ffestiniog to Porthmadog, by the 1920s the Festiniog Railway had left its years of technical innovation and high profits long behind. After the First World War, the railway's path led inexorably to closure, to passengers in 1939 and goods in 1946. After years of abandonment, visionary enthusiasts found a way to take control of the railway and starting its restoration...