U.S. actor Robert Downey Jr. tries out "bingtanghulu," a traditional Chinese snack, 

U.S. actor Robert Downey Jr. tries out "bingtanghulu," a traditional Chinese snack, during a world premiere event of his new movie "Iron Man 3" at a Beijing hotel Saturday, April 6, 2013. (AP Photo/Andy Wong)
Associated Press
U.S. actor Robert Downey Jr. tries out "bingtanghulu," a traditional Chinese snack, during a world premiere event of his new movie "Iron Man 3" at a Beijing hotel Saturday, April 6, 2013. (AP Photo/Andy Wong)
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