stml:
The red structure is the remains of the original Greathead shield used to tunnel the Waterloo & City. It was left in place in 1898 and rediscovered in 1987.
Nice tube geekery there.
mervyndaycantsitstill likes this
st reblogged this from stml
edwardis likes this
roomthily likes this
blech reblogged this from stml and added:
Nice tube geekery there.
blech likes this
stml posted this
