Home Smoke rises in front of the altar cross at Notre-Dame Cathedral in Paris on April 15, 2019, after a fire engulfed the building. – A huge fire swept through the roof of the famed Notre-Dame Cathedral in central Paris on April 15, 2019. (Photo credit should read PHILIPPE WOJAZER/AFP/Getty Images) Smoke rises in front of the altar cross at Notre-Dame Cathedral in Paris on April 15, 2019, after a fire engulfed the building. - A huge fire swept through the roof of the famed Notre-Dame Cathedral in central Paris on April 15, 2019. (Photo credit should read PHILIPPE WOJAZER/AFP/Getty Images)

Smoke rises in front of the altar cross at Notre-Dame Cathedral in Paris on April 15, 2019, after a fire engulfed the building. – A huge fire swept through the roof of the famed Notre-Dame Cathedral in central Paris on April 15, 2019. (Photo credit should read PHILIPPE WOJAZER/AFP/Getty Images)

A priest wipes the Crown of Thorns, a relic of the passion of Christ- at the Notre-Dame Cathedral in Paris on April 14, 2017.   / AFP PHOTO / Philippe Lopez        (Photo credit should read PHILIPPE LOPEZ/AFP/Getty Images)