A relative takes a picture with her mobile phone while holding an image of one of the 43 missing students of Ayotzinapa College Raul Isidro Burgos, as she takes part in a march to mark the 14-month anniversary of their disappearance, in Mexico City, Mexico, November 26, 2015. Hundreds of activists marched on Thursday in Mexico City to demand justice for the 43 students who disappeared over a year ago in the southwestern state of Guerrero. REUTERS/Daniel Becerril