Why Are 96,000,000 Black Balls on This Reservoir?
81 بار بازدید -
5 سال پیش
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I took a boat through
I took a boat through 96 million black plastic balls on the Los Angeles reservoir to find out why they're there. The first time I heard about shade balls the claim was they reduce evaporation. But it turns out this isn't the reason they were introduced.
5 سال پیش
در تاریخ 1398/03/21 منتشر شده
است.
81
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