england, great britain, tower bridge
london, grenadier guards, sightseeing
st helen's place, the gherkin, architecture
castle, london, sightseeing
tower bridge, bridge, london
underground, london, england
glass facade, london, tower
tower hill street tube, tube station, london tube
st pauls cathedral, london, bridge
passengers, station, subway
london eye, night time, thames
london, england, river
london, st pauls, cathedral
palace of westminster, big ben, london
london, bus, red
