Out west on the Thames toward Richmond.
Holborn. Give no.4 a try sometime.
The City. We hear that a similar sign can be found pinned to the Mona Lisa.
Hoxton. Philosophy has come on leaps and bounds since the invention of the marker pen.
West Ham: All sorts of wrong. All sorts of funny.
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.