epa07650461 Clerics attend a mass led by Michel Aupetit (2-L), Archbishop of Paris, which is the first church service in a side chapel of Notre-Dame de Paris cathedral in Paris, France, 15 June 2019, two months to the day after a devastating fire. For safety reasons, the mass was celebrated on a very small scale, but was streamed live on internet. EPA-EFE/KARINE PERRET / POOL MAXPPP OUT