Running under Moel Dymogydd, a 1,700ft mountain between Dolwyddelan and Blaenau Ffestiniog, is the Ffestiniog Tunnel. Cut through 2.5 miles slate bedrock, this was once the longest unlined tunnel in ...

It’s the same feeling as the real thing, it’s amazing,’ a guy dressed in a jump suit with flaps, wearing a helmet, was trying ...