Ключевые слова: attention, beach, caution, coast, coastline, communication, danger, dangerous, day, do, environment, flag, forbidden, hazard, hazardous, icon, illustration, information, isolated, nature, no, not, notice, ocean, outdoor, outdoors, red, risk, safety, sand, sea, shore, sign, signage, sky, summer, swim, symbol, table, travel, vacation, warning, water, wave, white,