A giant portrait of Tunisian protestor Mohamed Bouazizi hangs on the wall  in the central town of Sidi Bouzid on December 17, 2013, as they celebrate the 3rd anniversary of the start of the revolution, the first of the Arab Spring uprisings, triggered by the self-immolation of Bouazizi, the vegetable vendor harassed by poverty and police atrocity. Tunisians gathered today at the birthplace of the Arab Spring to vent their anger at social exclusion three years after the street vendor burned himself to death in what became an iconic protest. AFP PHOTO / FETHI BELAID        (Photo credit should read FETHI BELAID/AFP/Getty Images)