Spain, Catalonia, Barcelona, El Barri Gotic, Tourist crossing the busy Passeig de Colom next to Port Vell.

England, London, Taxi cabs outside the entrance to St Pancras Railway Station.

England, London, Taxi cabs outside the entrance to St Pancras Railway Station.

England, London, Taxi cabs outside the entrance to St Pancras Railway Station.

Italy, Lazio, Rome, Palazzo Koch home to the Banca D'Italia on Via Nazionale.

United Arab Emirates, Dubai, Metro sign and taxi in front of Burj Khalifa tower.

United Arab Emirates, Dubai, Taxi passes Burj Khalifa tower.

England, London, Southwark, Borough Market entrance with black taxi cab in traffic.

Mexico, Bajio, Guanajuato, Taxi turning down paved street with brightly painted corner houses.

Mexico, Bajio, Queretaro, The church of San Francisco brightly coloured exterior facade with taxis and cyclist on road in foreground.

Mexico, Federal District, Mexico City, Traffic passing Little Horse sculpture of Torre Caballito on Reforma.

Mexico, Federal District, Mexico City, Pedi taxis outside the Cathedral in the Zocalo.