Ключевые слова: abstract, anticline, background, bark, brown, closeup, compressed, curved, design, detail, fold, foldings, forest, formation, geologic, geological, geological formation, geological layers, geology, layers, material, metamorphic, natural, nature, old, orogenic, pattern, plant, rock, rock formations, rough, schistosity, sedimentary rock, skin, stone, strata, stratified, structure, surface, tectonic, tectonics, texture, textured, timber, tourist, tree, trunk, wall, wood, wooden,