background caves cliff coastal coastal-landforms coastline color colour cracks crannies formations grained grainy holes hollows landscape layers levels limestone outcrop rocks rocky rough seashore seaside sedimentary-rock shade shadows shapes sharp shore Sizes sky solid stones strength strong surfaces surfacing textured textures uneven variations variety vegetation weathered above Australia barren below brown cliffs country side distance distant dry expanse flat flying from above gullies harsh height high hills looking down mountainous movement moving Northern Australia outback panoramic views rugged rural scenery scenic sightseeing sparse speed sunshine travel travelling undulating valleys window blue shrubbery shrubs alert bilingual black board caution chute close close-up closeup comic comical danger dangerous english fall falling figure forbidden free french funny graphic green hazard hazardous icon image information message photo photograph picture post prohibit rectangle rectangular red resource sign signage signpost somadjinn stick stock symbol texture UP warning white abstract backgrounds bizarre broken cape climate cold cracked dark dividing empty fissured frost frozen glacier glass horizon ice ice crystal lake Mirrored Pattern nature outdoors pattern reflection rippled rock scenics season slippery snow symmetry transparent turquoise velvet water water surface weather winter wood chip advice appropriate-behavior appropriate-behaviour be-careful beware care careful cliffside colors colours communicate communication concern deterioration fading-sign informing light lookout observant restricted restriction restrictions risk risks risky river riverside safety signs sunlight trees warning-sign watch watch-out