Ключевые слова: backdrop, beach, breaking, coast, design, detail, earth, formation, geologic, geological, geology, grunge, hard, horizontal, layered, layers, levels, lines, mountain, natural, nature, old, outdoors, rocks, sea, sediment, sedimentary, slabs, slate, stone, strata, stratified, stratigraphy, structure, surface, texture, textured, time, vertical, wall, white, wood,