angled angles appearances architectural architecture building buildings city city-scapes city-views color colour contemporary contrast contrasting distinctive edged edges elements exterior external framed frames geometric geometric-shapes glass gray grey height high high-rise light linear lines modern patterned patterns perspectives sharp Singapore steel surface surfaces textured textures views wall walls windows activities architectural-elements chemical-sanitation chlorinated covered exercise filled full heated hot-tub hydrotherapy indoor-pool indoors inside interior jacuzzi leisure lighting lit maintained monitored paddling-pool recliners reclining recreation reflections relaxation sanitized seating shelter sheltered spa-pool swimming swimming-bath swimming-pool undercover wading-pool warm water arches Australian barracks castellated castellation Colonial dark dated discoloration discoloured façade frontage heritage historic limestone military multi-storey multi-story old protection protective shade shape shapes solid stonework strong style traditional urban view weathered weathering abstract angle blinds colored colors coloured colours curved curves decoration decorative diamonds geometrical glass-panes lined panes rectangles rectangular round shaped sunlight sunshine surfaced window-frame window-frames window-panes