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Blue-green attacked China!
Lake Chaohu - the fifth largest source of fresh water in China, provide fresh water for more than 300 000 people are now zahvatyvatili blue - green algae.
Scientists say to thrive, these algae require constant temperatures over 25 degrees Celsius for at least 3 days and sunny days a large amount of nitrogen and phosphorus.
9 ph unappetizing spectacle
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