Red Bull driver Sebastian Vettel of Germany walks around the circuit ahead of the Chinese Formula One Grand Prix in Shanghai, China, Thursday, April 11, 2013. (AP Photo/Mark Baker)

Associated Press
Red Bull driver Sebastian Vettel of Germany walks around the circuit ahead of the Chinese Formula One Grand Prix in Shanghai, China, Thursday, April 11, 2013. (AP Photo/Mark Baker)
Red Bull driver Sebastian Vettel of Germany walks around the circuit ahead of the Chinese Formula One Grand Prix in Shanghai, China, Thursday, April 11, 2013. (AP Photo/Mark Baker)
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