MNN's 2009 photos of the year - Pittsburgh prepares for world leaders
MNN's 2009 photos of the year
photo 17 of 31
Photo:Jeff Swensen/Getty Images
Pittsburgh prepares for world leaders
A group of protestors rappel on Sept. 23 from the West End Bridge in Pittsburgh with a banner denouncing climate change. The protesters were hoping to take advantage of the media swarm ahead of the G-20 summit, which brought international leaders to Pennsylvania for a two-day session.