Ключевые слова: building construction, bulldozer, caterpillar, caterpillar tracks, clouds, cloudy, construction, construction site, crawler, crawler tractor, digger, dirt, dramatic sky, earthmoving, engineering, equipment, ground, heavy equipment, industrial, industry, land, landscaping, machine, machinery, metal, outdoors, power, site, steel, sunset, track, tracks, transportation, vehicle, yellow,