Ключевые слова: cast, controversial, copper, crater, deep, dig, dirt, disaster, dust, earth, environment, environmental, excavation, excavator, geology, giant, gold, ground, heavy, hole, huge, industrial, industry, iron, land, landscape, large, metal, mine, mineral, montana, mountain, open, opencast, ore, pit, pollution, quarry, rock, romania, rosia, sad, silver, stone, work,