TUNIS, TUNISIA - MARCH 29: Thousands of Tunisians gathering at Bab Sadun Square in Tunis march through the Bardo Museum on March 29, 2015, against terrorism after deadly Bardo Museum attack. At least 24 people, mostly foreign tourists, were killed and over 47 injured when gunmen stormed Tunis' Bardo Museum on March 18, 2015. (Photo by Nacer Talel/Anadolu Agency/Getty Images)
