Ключевые слова: activity, architecture, astronomy, austria, background, blue, building, business, concrete, construction, crane, dark, design, development, engineering, equipment, estate, galaxy, high, house, industrial, industry, landscape, light, machine, machinery, mountain, mountains, nature, night, outdoor, real, scenic, science, settlement, silhouette, site, sky, snow, space, star, starry, stars, steel, structure, sunset, tall, technology, urban, work,