Ключевые слова: abstract, abundance, backgrounds, blue, closeup, collection, construction, crushed, day, dry, dump, empty, factory, grained, granite, gravel, gray, group, heap, horizontal, industrial, industry, land, landscapes, large, material, mineral, mining, open, outdoors, part, quarry, raw, rock, rough, rubble, selective, simplicity, sky, stack, stone, storage, surface, technology, terrain, textured, uneven,