accommodation angles appearances architectural architectural-elements architecture box-like buildings business-district CBD city city-scapes city-views colors colours concrete contemporary contrast contrasting cream distance distant elements exterior external glass heights high high-rise hotel light linear lines modern perspectives Perth recessed skyscrapers surface views walls wealth windows arch building decorative England english facade Great Britain historical home house kent medieval old ornamental panes Penshurst Place property real estate sandstone sill stone wall beams Canary Wharf curved DLR Docklands Light Railway girders lattice London railway roof skyscraper station tower block transparent urban appearance built clock clock tower dark design features gray grey height heritage historic masonry ornamentation parapet roofing secure security solid Somber sombre stonework strength strong surfaces tower tower clock boxed bricks brickwork building-construction building-site building-work concreting construction development distinctive modernistic plain second-storey second-story squared straight structured style suburban two-storey two-story units work