If it's true that God is in the detail, then, in design terms at least, a trip through the new Tottenham Court Road station is an act of devotion.
Have a look at the white panels on the escalator leading from the platforms to the main concourse. They are bolted to the wall with these fixings…
Coincidence? Are they standard issue screws? Or is someone at London Underground going the extra mile and thrilling Tube Nerds like me?
A London Walk costs £10 – £8 concession. To join a London Walk, simply meet your guide at the designated tube station at the appointed time. Details of all London Walks can be found at www.walks.com