London, UK: General view of crowds of commuters walking across busy London Bridge on a sunny autumn day.

London, UK: Low angle view of the legs and feet of crowds of commuters walking across busy London Bridge on a sunny autumn day.

Westfield Shopping Centre, London, England: medium shot of crowds of shoppers walking along in busy shopping centre.

London, UK: Air view of Westminster Abbey and surrounding area with people seen camping out in tents on pavement.

New Delhi, India: Shots of trading banners above street and busy market street scenes

Dhaka. An extremely overcrowded train going in to the station. Various shots of people trying to climb on to the train.

London, UK: Low angle shot of people walking across Millennium Bridge with St. Paul's Cathedral in the background.

London, England: Speeded up time lapse sequence of pedestrians walking along outside the Houses of Parliament and Big Ben.

Manchester, England: Various shots of shoppers and pedestrians along pedestrianised shopping street in city centre on grey winter day.

Zagreb, Croatia: Wide view of main square in Zagreb with people walking across tram tracks, close up of tram going along.