Ключевые слова: ahead, attention, background, beware, blue, caution, cliff, coast, danger, dangerous, design, drive, graphic, hazard, highway, iceland, icon, information, message, mountains, natural, outdoors, outside, protection, restriction, risk, road, road sign, rock, rocks, safe, safety, scandinavia, scandinavian, security, sign, signpost, signs, stone, stop, street, symbol, transportation, travel, warning, yellow,