Ключевые слова: approaching, authority, circle, closed, closeup, color image, contemporary, curve, danger, do not enter sign, forbidden, germany, information sign, information symbol, keep out sign, no trespassing sign, no visitors beyond this point, order, outdoors, pedestrian, photography, private sign, protection, red, restricted area sign, road sign, road warning sign, safety, sign, single object, sparse, symbol, walking, warning sign, warning symbol, white,