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 Asian blue closed coloring colouring exterior-shutters façade fixture functional louver-blades louvered louvers louvre-blades louvred louvres painted plantation-shutters protection rectangle rectangular shape shaped shapes shelter shut shuttered shutters style symmetrical symmetry traditional window-coverings window-frames window-shutters wood wooden abstract appearance atmosphere atmospheric background blended climate climatology cloud clouds colors colours conditions curled curved direction directional fine formations meteorological-phenomenon movement pointers skies sky sky-hook southern spread spreading streaks streaky sun thin trail trailing vaporish vapourish variations various-cloud-formations weather white wind wispy business-district commercial commercial-city-building distance distant heights office-buildings panelling panels rectangles unusual architectural-elements clean community evergreens flora flowers foliage garden green greenery ground-cover layered layers levels maintained multi-level paving peaceful placement planned plants public retaining-walls rockery rocks seating shrubbery shrubs slope sloping stones stonework strength strong sturdy terraced tranquil trees vegetation above black-&-white ceiling frame greyscale handrails long metal metal-framework metal-work monochrome perspective rails shadows sky-light skylight skylight-windows stairs stairway steps structure sunlight support supporting UP visibility visible window window-frame