Ключевые слова: architecture, area, automatic, background, barrier, bollard, car, caution, city, close, column, control, cordon, danger, electric, europe, gate, gateway, gray, hydraulic, iron, landmark, lift, lock, material, metal, metallic, nobody, object, outdoor, pavement, pavers, pillar, post, protection, road, safety, security, sidewalk, stainless, steel, stone, stop, street, tile, traffic, transportation, travel, zone,