Back in 2007 the Department for protection of water resources ....

... Los Angeles has determined that the reservoir level is exceeded Ivanhoe too dangerous carcinogens formed during exposure to sunlight sveta.Dlya combat this phenomenon, it was decided to pour water on the surface of the 400,000 black plastic balls that will absorb ultraviolet izluchenie.Planiruetsya complete this experiment 2012.


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