Ключевые слова: attention, background, blue, careful, caution, circle, city, clear, closeup, color, colorful, control, countryside, danger, direction, give, highway, hill, hills, identity, landscape, lane, look, major, mark, metal, object, outdoors, paint, pole, protect, protection, road, roadsign, rotary, roundabout, rule, safety, shape, sign, signage, signal, signboard, signpost, sky, street, submit, symbol, text, traffic, transport, transportation, urban, warn, way, yield,