Ключевые слова: abstract, air, air pollution, architecture, blue, blue sky, building, buildings, city, city center, cityscape, climate, clouds, composite photo, concept, design, dwelling, earth, eco, ecological, ecology, energy, environment, environmental problems, landscape, lifestyle, modern, natural, nature, office buildings, outdoors, profile, real estate, residential, residential areas, scenery, silhouette, sky, skyscrapers, sustainable, symbiosis, town, woman,