abstract architectural architecture background barrier basic brick brick-wall bricks color colors colour colours crack cracked cracks damage damaged danger deterioration exterior external garden lean leaning retaining-wall solid split-levels splitting standard strained strength surface surfaces texture textured textures uneven wall appearance Australian close-up contours edges exposed gnarled gray grey layers lines Melaleuca mottled open paperbark paperbark-tree Roots shapes smooth soft surfaced swirls tree tree-roots twisted twisting variations wood backgrounds bare bark brown bumps contrast dark dry edge grooves light lined patterns perspectives ridges rough shade shades-of-colour shadows strips sunlight tree-trunk trunk wallpaper wrinkled wrinkles wrinkly angles blue capping construction dirty discolored discoloured elements fire fire-damage gap hole missing old out of alignment protection protective roof roofing rows sky Somber sombre tiles tiling angle brickwork colored coloured perspective variation varied various wooden woodwork art artistic arty backdrop bubbled cold decoration decorative delicate design detailed detailed patterns folds papery petal petals pink tactile patterned shape shaped strange timber unusual varieties aged concrete cracking deteriorated fluted fluting garden-pillar ineffective mini-garden-pillar paint painted painting pillar pot-pillar style surfacing