abstract angles architectural architecture buildings business-district city city-scapes city-views color colored colors colour coloured colours commercial-building contemporary contrast contrasting distance distant elements exterior external glass heights high high-rise light linear lines metropolis metropolitan-area modern office-buildings perspectives rectangles rectangular reflections skyscrapers tower-block urban-area views walls wealth windows accommodation architectural-elements balconies balcony business commerce concrete costly curved edges expensive hazy multi-storey multi-story recessed rooftops Singapore surfaces towering towers tree angled appearance building corners distinctive edged framed frames geometric geometric-shapes gray grey height patterned patterns sharp sharp-cornered sharp-corners straight-up-and-down surface textured textures wall art-glass coloration commercial decoration decorative geometrical glass-panes lighting multi-colored multicoloured panes shadows shape shaped shapes stained-glass sunlight sunshine window-frames window-panes