2 Season
6 Episode
Walk the Line - Season 1 Episode 2
Barra Best hears about the astronomer who fought to keep the railway out of Armagh and the mill owner who paid to get one built. He also ventures into the dark reaches of Ireland's longest railway tunnel.
- Year: 2015
- Country: United Kingdom
- Genre: Documentary
- Studio: BBC One Northern Ireland
- Keyword: northern ireland, railroad
- Director:
- Cast: Barra Best