Schoolboy Josh Henderson, 10, holds his hand against that of the world's tallest man.

10岁男生乔什·亨德森握着世界上最高的人的手。

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The annual event, which also featured celebrities such as Josh Henderson ("Dallas"), Terry Crews ("The Expendables 2"), Jesse Williams ("The Cabin in the Woods") and singer Nick Jonas, helps drum up awareness for what gamers believe is the true start of the new NFL season -- the launch of EA Sports "Madden NFL 13" on August 28.

CNN: Brett Favre returns to the gridiron for 'Madden'