In April 2011 Wales's most ambitious new railway, the Welsh Highland Railway in Snowdonia, was completed by hundreds of volunteers who worked tirelessly for the love of steam.

Supported by royalty and donations from around the world, the new Welsh Highland Railway spans 25 miles of narrow-gauge track through the stunning scenery of Snowdonia.

Wales's steam railways seemed lost forever with the Beeching cuts of the 1960s. This series celebrates their revival with archive film and memories of passengers and railwaymen.

Wales's steam railways seemed lost forever with the Beeching cuts of the 60s. In this episode we meet the last generation of Welsh steam railwaymen and visit a heritage railway.