Episodes
| First Broadcast | Repeated | Comments |
|---|---|---|
| 20071218 | 20080827 (R4) | Mountaineer Andy Cave joins the team working on the Thirlmere Aqueduct, an extraordinary Victorian system using only gravity to carry water for 94 miles from the Lake District to a million homes in Manchester. Opened in 1894, this remarkable engineering feat was closed for maintenance during October 2007. Mountaineer Andy Cave joins the team working on the Thirlmere Aqueduct. |