Ключевые слова: architecture, blue, building, city, cityscape, clean, cloud, concept, decoration, development, district, downtown, environment, environmental, exterior, grass, green, landscape, landscaping, lawn, modern, nature, nobody, outdoors, pavement, paving, perspective, road, scenery, shanghai, sidewalk, sky, skyline, stone, street, tranquil, travel, tree, urban, walkway,