Ключевые слова: architecture, asia, building, business, cement, china, city, cityscape, clean, commercial, day, design, downtown, empty, environment, exterior, facade, floor, footpath, ground, landscape, modern, nature, nobody, office, outdoor, pavement, pedestrian, road, scene, sidewalk, sky, skyscraper, square, street, structure, texture, tile, tower, tree, urban, walkway, wall,