abstract appearance background bare bark cambodian close-up colors colours cracked dry edge edges lines mottled pitted rough shapes smooth sunlight surface surfaces texture textured textures tree tree-trunk trunk uneven variations wallpaper wood angle angles barricade barrier bright caution cracks danger holey light linear mesh orange perspectives plastic protect protection protective restraint safety secure security strands thick thin twisted warning backdrop black closeup crack free gray grey image material natural nature photo photograph picture resource somadjinn stock textural up close white wooden woods activity ants Australian circle circular color colored colour coloured compacted cone conical crater craters entrance firm grains grainy insects nest round sand sandy Soil symmetrical symmetry brittle broken broken-up brown central-Australia climate dried dried-out drought gaps ground patterned patterns splatter splatter-pattern summer weather