It's hard to believe that the Arab Spring -- or at very least the first protests that gave birth to the revolutions that roiled the Middle East and North Africa -- is now a year old. The shocking past 12 months have provided us with a wealth of images and iconic photos. Here are some of the best.
Above, a young Yemeni boy wears a headband that says in Arabic "I'm the next martyr" during an anti-government protest in the capital Sanaa on March 27. Beginning in early February, Yemen's anti-government protest movement devolved into bloody sectarian fighting between rival military factions. Last month, President Ali Abdullah Saleh signed an agreement stipulating that he would step down in February 2012.
AHMAD GHARABLI/AFP/Getty Images