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L.A. Covers Its Reservoirs With Millions of 'Shade Balls'

It’s part of a $34.5 million project to protect the city’s water supply from the sun.
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YouTube

YouTube: Reservoir No. 2 - Shade Balls

No, the folks at Las Virgenes’ municipal water district in Los Angeles are not making the world’s biggest ball pit in this mesmerizing video from June.