Generally skeptical of 3 - D film as a format .
Herzog premiered the film at the 2010 Toronto International Film Festival in 3 - D and had its European premiere at the 2011 Berlinale .
Although generally skeptical of 3 - D film as a format , Herzog premiered the film at the 2010 Toronto International Film Festival in 3 - D and had its European premiere at the 2011 Berlinale .