Bill Gates (left) and Warren Buffett visit the battery examination center of BYD Auto in Huizhou, Guangdong Province, on Tuesday. [Xinhua photo]
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![Bill Gates (left) and Warren Buffett visit the battery examination center of BYD Auto in Huizhou, Guangdong province, on Tuesday. [Xinhua photo]](http://images.china.cn/attachement/jpg/site1007/20100930/001372a9a93f0e0e75591e.jpg "Bill Gates (left) and Warren Buffett visit the battery examination center of BYD Auto in Huizhou, Guangdong province, on Tuesday. [Xinhua photo]")
