angles appearances architectural architecture buildings circular color colored coloring colors colour coloured colouring colours contrast dark decorated decorative designed Designs detailed distinctive elements exterior external frame framed glass heights heritage high lead light linear lines ornamental patterns quality round round-frame stained-glass structures style supports surface textured textures window window-frame angled building city city-scapes city-views contemporary contrasting edged edges frames geometric geometric-shapes gray grey height high-rise modern patterned perspectives sharp Singapore steel surfaces views wall walls windows accommodation apartment-blocks apartments art-deco balconies complex condo condominium façade flats historic metal modernistic multi-storey multi-story plain protection safety straight tall units valuable arches architectural-elements clock clock-face Colonial construction iconic Perth secure solid stones stonework strength strong time tower-clock town-hall angular apartment blocks box-like value capped caps concrete condominiums condos highrise highway raised-motorway reddish-orange river roofing roofs rooves structured towering water curvature curves