Ключевые слова: abstract, asphalt, background, blotches, brown, cement, clay, closeup, coast, collapsing, concrete, crater, dirt, diverse, dust, dusty, gently, geology, granite, gravel, heterogeneous, hilly, lunar, module, mountainous, natural, nature, old, outdoor, pattern, pebble, poor, road, rock, rocky, rubble, sandy, siliceous, slag, sloping, soil, steep, stone, stumble, sun, surface, texture, uneven,