Ключевые слова: arrow, background, barcelona, building, buildings, caution, city, command, constraint, control, crossroad, danger, dangerous, direction, downtown, facade, forbid, information, lamp, lantern, law, light, no, post, prohibition, red, restriction, restrictive, road, rule, sign, signal, sky, spain, street, symbol, town, traffic, transportation, trees, turn, urban, warning, way, white,