Ключевые слова: apartment, architecture, below, blue, building exterior, built structure, cement, city, closeup, color image, construction equipment, construction industry, construction site, development, engineering, equipment, group of objects, high up, hong kong, horizontal, house, igniting, illuminated, industry, lighting equipment, manufacturing, modern, new, overcast, planning, rack, residential building, sadness, sky, skyscraper, steel, street, town, variation, window, working,