amazing-formation ancient Australian bedrock bedrock-surface climber climbing color coloration colorful colors colour colourful concave-upward contrast contrasting curved curves dark disaggregated-bedrock distinctive erosion flared-slope granite-inselberg granite-outcrop Katter-Kich light natural-landscape pedestrian recognisable-landform streaks streaky sunlight sunshine surface surfaces symmetry textured textures unique weathering Western-Australia bark branches foliage shade tree vegetation damp draining lichen moss sky water wet blue clouds shadows shrubbery trees