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 appearance capping construction discolored discoloured gap hole lines missing out of alignment perspectives protection protective roof roofing rows Somber sombre surface surfaces textures tiles tiling uneven architectural-elements bricks brickwork buildings chimney-stacks chimneys heights high historic patterns placement roofs rooftops rooves shape shapes style surfacing terracotta texture textured tiled wall chimney chimney-stack corrugated corrugated-iron corrugated-roofing rooftop Australian black block design gray grey height heritage historical history masonry ornamental ornamentation plain Rooms solid stonework walls white angular art art deco balconies clock complex cream flat glass light linear modernistic pyramid quality shadows straight sunlight sunshine tower closed open peeling paint unsafe urban decay