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:

Kuwait suspends flights, activates emergency plan after Iranian attack on airport
At least 18 foreign nationals among 21 killed in Delhi hotel fire
US to re-engage with Gavi vaccine alliance amid Ebola outbreak
Israeli fire kills four people in Gaza, medics say
Philippines' Marcos urges Senate to return to work as gridlock deepens ahead of break
