Zach Galifianakis has acrophobia

Zach Galifianakis skipped a press conference for his movie, 'The Hangover Part III', as he suffers from acrophobia - fear of height.
The conference was to be held in Morro da Urca in Rio de Janeiro, Brazil but the 43-year-old actor was forced to back out of it after it was revealed that he would have to take a 220-metre cable car ride to reach the venue.
"Zach is afraid of heights, and called into the press conference to let participants know, and made a few jokes," a representative for the actor said.
He was to attend this conference with his co-stars including Bradley Cooper, Justin Bartha and Ed Helms, reported Contactmusic.

Galifianakis recently admitted that although "nobody would care" about the movie series apart from its stars, Bradley, Justin and Ed, he would like to reprise his character, Alan Garner, again in the distant future.
"If we all reach 90, I would, for sure, do another one. No one would care but it would be fun, wouldn't it?," he said.