French President Francois Hollande observes a minute of silence at the Sorbonne University in Paris to...
French President Francois Hollande (C) flanked by French Education Minister Najat Vallaud-Belkacem (L) and French Prime Minister Manuel Valls (R) stand among students as they observe a minute of silence at the Sorbonne University in Paris to pay tribute to victims of Friday's Paris attacks, France, November 16, 2015. REUTERS/Guillaume Horcajuelo/Pool