Off the Bench: Djokovic playing on flying plane?

Off the Bench: There's a video of Novak Djokovic playing tennis on the wing of an airplane. Do you believe it?

Source: http://offthebench.nbcsports.com/2011/03/24/video-novak-djokovic-playing-tennis-on-the-wing-of-a-flying-plane-anyone/related

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