ancient background bank crack crevice Devon drystone England Great Britain grow hard natural nature navelwort old plant protect protection rock stone texture uk Umbilicus united kingdom wall bouldering brown cobble cobbled cobblestone irregular massive pastel row rows rural solid stones structure structures textures wallpaper bay beach blue cloud coastline lamp landscape light road sea shore streetlight sunlight Swansea view wales water welsh barrier cemented coloring colors colouring colours concrete constructed heritage historic local-stone pattern patterns perspective perspectives picturesque random randomly-coursed retaining-wall rocks rough secure security shape shapes significant stone-walled stonework strength strong stucco surface surfaces traditional uneven variations variety well-built activities aims ascend ascending belayer belaying chalk chalk bag climb climber climbing climbing harness climbing rock climbing rope climbing technique climbing wall competition danger descend descending equipment give outdoor sport risk rock climbing shoes safety safety harness shaped climbing holds sport take TARGETS Tension woman work-life-balance appearance dry-stone-hedge dry-stone-wall drystane-dyke fitted free-standing large patchwork rock-fence rugged shaped sharp stone-fence sunshine walled boy self-confidence trust