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Millions of Balls Fill LA Reservoir to Conserve Water
In a bid to conserve water in drought-hit California 96 million black plastic 'shade-balls' have been placed in a reservoir in Los Angeles. Sydney Chase is the CEO of XavierC - one of the companies which makes the balls. She told 大象传媒 Business Matters how they work. (Photo: Millions of balls in a reservoir Copyright: Reuters)
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