above angled angles appearances architectural architecture chinese coloring colors colouring colours dated exterior exterior-shutters external functional gray grey height high louver-blades louvered louvers louvre-blades louvred louvres painted plantation-shutters protection shape shaped shapes shelter shuttered shutters style surface surfaces symmetrical symmetry traditional wall window window-covering window-frame window-shutters windows wood wooden art-glass business color coloration colored colour coloured commercial decoration decorative distinctive edges geometric geometrical glass glass-panes high-rise light lighting lines modern multi-colored multicoloured panes perspectives rectangles rectangular reflections shadows Singapore stained-glass sunlight sunshine views window-frames window-panes accommodation architectural-elements balconies balcony box-like buildings city city-scapes city-views concrete contemporary contrast contrasting costly distance distant elements expensive heights holidays hotel hotels linear multi-storey multi-story recessed skyscrapers tourism tourists walls wealth curved