BIG BEN has come out towering above its rivals on a list of the most iconic film locations in London. The British landmark topped the survey for a scene in the 1978 thriller The Thirty Nine Steps when Robert Powell's character hangs off the clock face. St Paul's Cathedral was voted second place, for the scene in Mary Poppins where hungry pigeons get fed on the building's steps. Westminster Bridge, the location for the opening scene of the British horror film 28 Days Later, is third in the poll by cinema advertising company Pearl and Dean. The top 10 is: 1. Big Ben (The Thirty Nine Steps) 2. St Paul's Cathedral (Mary Poppins) 3. Westminster Bridge (28 Days Later) 4. Piccadilly Circus (An American Werewolf in London) 5. Number 10 Downing Street (Love Actually) 6. The Millennium Dome (The World is Not Enough) 7. Westminster Abbey (The Da Vinci Code) 8. Portobello Market (Notting Hill) 9. Covent Garden (My Fair Lady) 10. Borough Market (Bridget Jones: The Edge of Reason)