Ключевые слова: background, beautiful, block, blocks, blue, cave, color, construction, cut, cutting, danger, digging, earth, equipment, europe, excavation, explore, extraction, geology, green, heavy, hills, industrial, industry, lake, landscape, machine, marble, material, mine, mineral, minerals, mines, mining, mountain, peak, quarry, quarrying, raw, removing, rock, rocks, rural, sky, soil, stone, turquoise, water, white, work,