By A Mystery Man Writer
The ‘Chunnel’ may be the UK’s most famous underwater tunnel, but the British have been trying to dig to Europe since 1880 – and plans still remain for a second Channel Tunnel.
Ian Sales - File 770
Channel Tunnel - Wikipedia
The Channel Tunnel that was never built
Gaza's Vital Tunnels - The New York Times, tunnel
Why was the channel tunnel not built as a road? - Quora
Stephen Jones - File 770
Why was the channel tunnel not built as a road? - Quora
Ian Sales - File 770
BBC Two - The Channel Tunnel – Life on the Inside