Look in the window to the left. Did we see a ghost?
DC Editor & London Walks guide Adam writes… I'll be back in the location tomorrow night on the Ghosts of the Old City tour at 7:30pm. Meet me at St Paul's station and perhaps we can get to the bottom of the mystery together.
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.