View of Big Ben and Houses of Parliament, London, England, UK

architecture attraction big ben blue hour bridge britain british building cities tour city city break cityscape clock color image color picture colour picture connection dawn day destination dial dusk england evening famous place great britain happy hour historic historic building historical houses of parliament journey london outdoor outside parliament building river river thames sight sightseeing summer summertime time tourist tower town transport transportation travel twilight twilight hour uk uk united kingdom urban watch worth seeing