SIDI BOUZID, TUNISIA - DECEMBER 17:   Memorial held for Mohamed Bouazizi, a Tunisian street vendor who set himself on fire on 17 December 2010 and became a catalyst for the Tunisian Revolution, on the third year of is act in Sidi Bouzid where he was born, December 17, 2013. (Photo by Amine Landoulsi/Anadolu Agency/Getty Images)