Ключевые слова: alert system, beach, beach vacation, cloudy, coast, coastline, danger, day, empty, empty beach, grand strand, guard, help, landscape, life, lifeguard, lifeguard tower, lifesaver, mediterranean, no swimming, nobody, observation, ocean, protect, protection, rescue, resort, safe, safety, sand, sea, security, sky, stand, station, stormy sky, summer, surf, swimmers, tourism, tourist, tower, travel, vacation, water, waves, weather, wooden,