abstract appearance Australian background bare bark brown colors colours cracked cracks dry edge edges eucalypt eucalypts gray grey layers lines mottled rough shadows shapes smooth sunlight surface texture textured textures tree tree-trunk trunk uneven variations wallpaper white wood black close-up grooves peeling tree trunk autumn Beech Trees fall lake Lakeshore leafs November Seehamer See sun sunburst tree trunks trees winter branch Cockspure coral tree flower leaf maple plant red red pine woody plant baum Baumstamm bole Gehölz gras holz mushroom natur pilze root Tree Stump wald wiese contours gnarled layered pattern patterned patterns shape shaped soft strips surfaces surfacing forest fungi fungus macro mushrooms yellow glossy big giant huge large redwood Sequoia etnic folk old pine pine-tree