Members of the Archives of the city of Brussels collect, preserve and protect messages in tribute to the victims of March 22 terrorist attacks on April 1, 2016 at the Beurs-La Bourse in Brussels. On March 22, two bombs exploded in the departure hall of Brussels Airport and another one in the Maelbeek - Maalbeek subway station, which made 31 deadly victims and 316 injured people in total. ISIL (Islamic State of Iraq and the Levant - Daesh - ISIS) claimed responsability for the massacre. / AFP / BELGA / LAURIE DIEFFEMBACQ / Belgium OUT (Photo credit should read LAURIE DIEFFEMBACQ/AFP/Getty Images)
