Acton Beal, 20, was apparently attempting a "planking" in which he lay face down on the balcony railing when he lost his balance and plunged seven stories to the street.
Planking involves a person lying face down in an unusual place. Photos of such poses have become a popular phenomenon on social media sites, the Brisbane Times said.
Deputy Police Commissioner Ross Barnett told the Times the growing popularity of planking had police worried that someone would get hurt. "It is what we've been fearing."
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