Cameras focus on a railway journey that weaves in and out of England and Wales aboard the Grand Dame of luxury heritage trains, The Northern Belle. This historic adventure charts the story of two ancient nations from Norman times to the industrial revolution.
Viewers meet the Fron Choir by Cefn Mawr viaduct and swap wheels for water to travel across the Pontcysyllte aqueduct, a huge stream in the sky. Narrated by Hollywood actor Bill Nighy.
