Ключевые слова: algae bloom, bacteria, bacterium, baltic sea, beach, blooming, cholera bacterium, cleanliness, coli index, dangerous, environment, escherichia coli, europe, green, growing, harmful, hazardous, health, healthy, hot, nature, nordic, pathogenic, pink, plage, plants, protection, purity, quality, risky, safety, sea, seawater, seaweed, still, stinky, summer, swimming, ugly, unhealthy, unsafe, warning, water, water sample, weather, weed,