30 st mary axe, architecture, big ben, blackfriars bridge, blue, blur, bokeh, bridge, buildings, bus, canada square, canary wharf, capital, cathedral, city, city hall, close up, clouds, england, europe, evening, extract, ferris, garland, great britain, high-rise buildings, holidays, house, lamps, light, lighting, lights, london, machine, machinery, millennium, millennium bridge, night, panorama, people, rails, reflection, regent street, river, road, shops, sky, skyscraper, skyscrapers, southwark bridge, st paul's cathedral, st. paul's cathedral, street, sunset, taxi, thames, the shard, tower 42, tower bridge, town, traffic lights, underground, united kingdom, water, wheel, winter