angle angles appearances architectural architecture building city cracked cracks dark decay deterioration Dirt dirty discoloration discolouration disrepair elements exterior external grime grimy neglect neglected old peeling-paint renovate renovation urban-decay weathered windows architectural elements black box-like buildings business district city views colors colours concrete contemporary contrast contrasting glass heights high high rise light linear lines modern office buildings perspectives skyscrapers steel steel surfaced surface views walls wealth abandoned alignment angled appearance closed doors entrance exit foliage lean leaning lopsided roof roofing safety shed structure sunlight vegetation chimney stacks chimneys height historic shape shapes solid stones stonework strong style sunshine surfaces textures traditional variations wall wall-segment CBD city scapes distance distant Melbourne reflections accommodation bricks brickwork building-construction building-site building-work cement-mixers construction construction-site construction-work development framework home home-units homes house men metal-work mixers pipes rubble sand straight suburban units untidy urban window-frames work workers workmen