Tom Cruise mission in Dubai: Not falling

DUBAI, United Arab Emirates

Asked Wednesday about his biggest fear during scenes outside the half-mile (828-meter) high Burj Khalifa, Cruise was quick with an answer: "Falling."

The actor is in Dubai for the world premier of "Mission: Impossible -- Ghost Protocol."

Cruise says filmmakers had to monitor temperatures on the spire's sun-baked facade so he wouldn't get burned. That wasn't the only challenge. The actor says he didn't anticipate the cross winds.

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