Ключевые слова: above, aerial, air, birds, birdseye, blue, business, cement, construction, dangerous, deep, demolition, destruction, dig, digging, down, drone, earth, equipment, excavation, eye, flying, gravel, heap, heavy, high, industrial, industries, industry, job, lake, level, limestone, looking, machinerybeautiful, material, mine, mineral, pit, quarry, quarrying, raw, rock, rubble, sand, stone, surface, view, white,