Firefighters work to extinguish a fire at The Notre-Dame de Paris Cathedral in Paris early on April 16, 2019. - Paris was struck in its very heart as flames devoured the roof of Notre-Dame, on April 15, 2019, the medieval cathedral made famous by Victor Hugo, its two massive towers flanked with gargoyles instantly recognisable even by people who have never visited the city. (Photo by STEPHANE DE SAKUTIN / AFP) (Photo credit should read STEPHANE DE SAKUTIN/AFP/Getty Images)
