French President Emmanuel Macron addresses Paris Firefighters' brigade and security forces who took part at the fire extinguishing operations of the Notre Dame of Paris Cathedral fire, at the Elysee Palace in Paris, Thursday, April 18, 2019. France paid a daylong tribute Thursday to the Paris firefighters who saved the internationally revered Notre Dame Cathedral from collapse and rescued many of its treasures. AP

French President Emmanuel Macron pays tribute to Notre-Dame firefighters