Ключевые слова: architecture, background, brick, building, business, cement, center, china, city, cityscape, clean, commercial, design, downtown, empty, entrance, environment, exterior, facade, floor, footpath, front, glass, green, ground, illuminated, modern, night, nobody, office, outdoor, pavement, road, scene, sidewalk, skyscraper, space, square, street, structure, texture, tree, urban, walkway, wall, window,