A protective sheet is being rolled over the burnt roof of Notre Dame Cathedral to prevent rain damaging the building further.
Showers and heavy downpours have been forecast for the French capital this week.
But the tarpaulin will only be a temporary measure until a more permanent solution is built.
Oliver Whitfield-Miocic reports from Paris:

Jordan tightens security after deadly church attack kills eight
France's luxury stores board up windows ahead of fresh protests
North Korea's Kim Jong Un visits China via Dandong bridge, South Korea source says
Typhoon Champi sweeps past Taiwan, leaving 1 dead, 500 injured
France boosts police presence, hoping to prevent repeat of riots
