england, great britain, tower bridge
phone booth, england, london
london, grenadier guards, sightseeing
st helen's place, the gherkin, architecture
household cavalry soldier, mounted, royal
st pauls cathedral, london, bridge
the underground, london, the city
passengers, station, subway
glass facade, london, tower
london, england, river
castle, london, sightseeing
underground, london, england
tower bridge, bridge, london
london, bus, red