A student holds a sign in recognition of the attacks in Paris before the game between the Notre Dame Fighting Irish and the St. Francis Red Flash in Indiana. By Matt Cashore, USA TODAY Sports
A man lights a candle in tribute to the victims of the Paris attacks, outside the French Embassy in Berlin, Lukas Schulze, European Pressphoto Agency
People light candles in tribute to the victims of the Paris attacks, outside the French embassy in Berlin. By Lukas Schulze, European Pressphoto Agency
Ukrainian President Petro Poroshenko lays flowers in tribute for the victims of the Paris terror attacks in front of the French Embassy in Kiev on Nov. 14. By Roman Pilipey, epa
A woman weeps as she holds hands with others at a vigil, held by the local French community in Sydney, Australia, on Nov. 14. By William West, AFP/Getty Images