Rock, Nature, Outdoors, Rubble, Water, Reptile, Sea Life, Animal, Turtle, Sea, Ocean, Cave, abstract, background, closeup, color, design, detail, folding, gemstone, geological, geology, mineral, mineralogy, natural, nature, pattern, rock, rock texture, rough, smooth, stone, stone texture, stony, stratum, streak, striped, structure, surface, texture, textured, discipline, photograph, rocky, person, ordering, science, accomplishment, site, achiever, protein folding, gem, succession, social class, class, earth science, crystal
Rocky structure showing thin stratified layers and a pronounced curved folding, on the slate cliffs on a beach on the north coast of Galicia