Jack Black, Queen Victoria's official rat-catcher, explains his unusual career history.


Starring Andrew Lawston as Jack Black
Written by Naomi Westerman
Sound editing by Panos Chountoulidis


Clue to the fifth location:  Keep walking west, until you come to the main entrance of a train station named after a medieval weapon. Tucked away between a Starbucks and a monument to finance is something very very old.