atlantic beach blue coruna dripping droplet droplets eu force fun galicia green ocean outdoors outside power rock rocks saltwater sea Spain splash sports summer texture tidal tide tides water wave waves wet abstract appearance background coloring colors colouring colours contours contrast contrasts cracks fissures flaws gorge layered layers levels light lines natural pool ravine reflections rock-face rockface rocky rough rugged shade shadows shape shapes steep stone stones strata stratum sunlight sunny sunshine surfaces textured textures walls arch arching architectural architecture brick-walls bricks brickwork formation heritage historic Historic site kiln kilns lime-kilns park patched patchwork repairs rock-work rubble ruins stone-wall stone-work structure surfaced surfacing variations varied wall ancient conservation dinosaurs display displayed evidence feet flip-flops footprints fossils geological geology impressed impression impressions imprinted large prehistoric Prehistory Preserved record sandals thongs toenails toes tourism tourists tracks bedrock