ROME, ITALY - JANUARY 15: The Guard of Honor to the royal tombs of the Pantheon must keep alive the memory linked to house of Savoy, the Risorgimento, and national military traditions. The National Institute for the Guard of Honour to the Royal Tombs of the Pantheon celebrates the 139th anniversary of its founding in 1878, founded to provide the service of guarding the tombs of the kings of Italy at the Pantheon. The flag of the National Association of Combatants Italian in Spain during the civil war on January 15, 2017 in Rome,Italy. (Photo by Stefano Montesi/Corbis via Getty Images)
