Guy Martin celebrates the workers of the Industrial Revolution by getting stuck into six of the country's biggest restoration projects, bringing some of the 19th century's most impressive engineering achievements back to life.
7.9
9.1
8.2
8.1
6.9
6.8
7.4
8.2
7.7
8.3
8.0
7.7
7.8
7.0
7.2
6.9
8.0
8.5
7.3
7.6