Ключевые слова: abstract, background, brick, brown, cement, clod, close, closeup, coastal, color, crack, detail, dirt, earth, exfoliation, feature, fracture, geological, geology, hard, material, mineral, moss, mottled, mountainside, patch, pattern, reddish, rock, sandstone, sheer, shore, soil, stain, stone, strong, structure, surface, texture, wall,