Ключевые слова: alley, architecture, art, background, building, can, city, colorful, concept, concrete, design, district, downtown, dust, graffiti, graffity, green, grunge, outdoor, paint, pattern, piece, pink, retro, shape, signature, spray, street, symbol, tag, taipei, taiwan, unusual, urban, wall, wallpaper, ximen, ximending, yellow, young,