Ключевые слова: aerial, background, blue, building, california, construction, czech, death valley, desert, earthmoving, environment, european, excavator, factory, heavy, hill, industrial, industry, landscape, manufacturing, material, mountain, nature, old, outdoor, outdoors, pit, plant, quarry, road, rock, sand, sand quarry, sandpit, site, sky, stone, texture, tourism, transportation, valley, view, works, zabriskie point,