A model poses at the 2011 Shanghai Auto Show, April 19, 2011. Founded in 1985 as the earliest professional international auto show in China, this year's show is the largest in its history and is estimated to grow into one of the largest in the world, bringing together more than 1,500 automakers and auto parts manufacturers from across the world. The event will be open to the public from Thursday to April 28. [Photo/CFP]

A showgirl poses next to a Great Wall Motor Co Ltd's Wingle CL, April 19, 2011, during the 14th Shanghai International Automobile Industry Exhibition (Auto Shanghai 2011).?[Photo/CFP]