abstract aged angles appearance background color colors colour colours cracked cracks cut damage damaged deteriorating disused grained grains gray grey lines old patterns pests rough rustic sawn surface surfaces surfacing texture textured textures timber trails weathered wood wood-grains wooden worn angled backdrop barrier concrete construction deliberate design designed disaplayed display hard hardened intentional patterned perspective perspectives planned Rendered secure security shaped Sizes smooth solid strength strong variations variety wall black blended colored colorful coloured colourful decorative details diagonal diagonally diagonals geometric geometrical interconnected interwoven light linear lined red shadows shape shapes style thick thin vibrant wallpaper blue baked biscuits bread-substitute brown crisp crispy crunchy diet dietary dietary-biscuits dietary-substitute dieting dry edge edges edible food multi-grain multi-grained on-edge sandwich-substitute weight-reduction above arched arches architectural architecture bridge cover covering curves fabricated fabrication layers Melbourne metal open overhead ridges roofing rows spaces steel strips structure structured Victoria visual Westgate Bridge beaded beads checks horizontal interlinked mat vertical white bubbles bubbly dark glass glassy hexagon hexagonal liquid liquidy molten polygon crystal crystals curved star-shaped stars symmetrical symmetry