Ключевые слова: air, architecture, background, black, blue, brick, building, ceramic, chimney, coal, cold, concept, construction, contamination, dark, detail, ecology, effect, energy, environment, exterior, furnace, global, heating, home, house, modern, nature, old, outdoor, pattern, pipe, pollution, red, roof, season, sky, smog, smoke, snow, structure, tile, warming, white, winter,