The Britannia Bridge
S1, E4: In May 1970, four boys set light to Robert Stephenson's famous Britannia Bridge across the Menai Strait, destroying one of the most important advances in structural engineering of the last 200 years.

S1, E4: In May 1970, four boys set light to Robert Stephenson's famous Britannia Bridge across the Menai Strait, destroying one of the most important advances in structural engineering of the last 200 years.