Ключевые слова: abstract, across, background, blocked, cable, cement, dirty, entrance, entry, flag, garbage, gray, grunge, metal, obstacle, order, paint, pavement, perspective, plate, prohibited, rectangular, reflective, restriction, rough, row, several, sign, signal, square, steel, stone, street, stretched, surface, territory, texture, three, tile, twisted, urban, weave, wet, wire, yellow, zone,