Digging tunnels for the planned Bristol underground railway network would be "relatively easy" according to a tunnelling expert https://t.co/EjIC5U1Dj0— Martin Booth (@beardedjourno) March 22, 2023
Digging tunnels for the planned Bristol underground railway network would be "relatively easy" according to a tunnelling expert https://t.co/EjIC5U1Dj0