Blue sky over St. Paul's Cathedral and The Millennium Bridge, London, England, United Kingdom, Europe

photography colour colour image color color image horizontal horizontal image outdoors outside nobody no one no one travel travel destination travel destinations city cities st paul's cathedral dome domes domed day millennium bridge city of london london england english uk united kingdom gb great britain british britain europe european urban scene urban scenes urban building exterior building buildings architecture architectural religious building bridge contrast skyline the way forward symmetry footbridge diminishing perspective vanishing point perspective subway