Canal Walks with Julia Bradbury

Julia's final walk takes her to North Wales, where 200 years ago the great engineer Thomas Telford had to overcome seemingly impossible challenges in order to access the valuable slate industries of Snowdonia. In doing so he created a masterpiece of 19th-century engineering - an aqueduct 126ft high and spanning a 1,000ft across the vale of Llangollen.

Category

Documentary / Nature

Original air date

23/05/2011