Ключевые слова: background, beautiful, bulldozer, construction, development, dig, dirt, earth, ecology, environment, equipment, excavation, forest, geology, gravel, green, ground, hazards, heavy, hill, industrial, land, landscape, landslide, loader, loading, machine, machinery, mine, mineral, mitigating, mountains, nature, opencast, ore, outdoor, pit, quarry, road, rock, sand, site, sky, stone, summer, transportation, travel, tree, truck, vehicle, water, work, yellow,