Below the Surface

Below the Surface was a series of articles which appeared throughout Wonders of World Engineering. Here is a complete list of the articles, with links to the relevant issues.

Below the Surface

1. The Mersey Tunnel
2. The First Thames Tunnel
3. Tunnelling the Hudson
4. Subterranean London
5. Conquest of the Severn
6. The Otira Tunnel
7. Tunnels Under Glasgow
8. A Canal Through a Mountain - The Rove Tunnel
9. London’s Underground Railways
10. Alpine Tunnels