abstract appearance Australian background bare bark brown close-up colors colours contours cracks cream edges gnarled gray grey layers lines Melaleuca mottled paper-like paperbark paperbark-tree patterns peel peeling shadows shapes shedding soft strips sunlight surface texture textured textures tree tree-trunk trunk uneven variations wallpaper wood barren branch broken cloud concept conceptual creepy dark dead death decay despair dry eery environment fear forest funeral ghost halloween life nature old ominous outline pattern patterns of decay philosophy plant rough scare scary scenic shadow silhouette skeleton sky spooky stem storm symbolic backdrop beam building construction copy grain graphic groove. grunge grungy hardwood illustration industry knot knotted light mahogany maple material medium merchant natural oak outbuilding panel pine plank polish red redwood shed space stain stripe timber vector wall walnut wooden bumps contrast cracked curled curling curls edge grooves knobbly perspectives ridges shade surfaced surfaces wrinkled wrinkles wrinkly award bevel bevelled blank border brush business copyspace corporate door effect elegance engrave engraving fashioned graphic design identity management name nameplate ornate paint painted pastel plaque plate polished rectangle retro sapele shield home