French President Emmanuel Macron has pledged to rebuild Paris' Notre Dame cathedral within five years after the massive fire.
Investigators are still trying to determine what caused the blaze, but say they don't believe it was started intentionally.
Correspondent Oliver Whitfield-Miocic in Paris says rebuilding the cathedral in five years will be difficult - and expensive.

Trump not satisfied with Iran's latest proposal, will not 'leave war early'
Iran sends proposal for negotiations with US to mediator Pakistan
Iran threatens painful response if US renews attacks
US Navy acting 'like pirates' to carry out naval blockade of Iranian ports, says Trump
Germany urges stronger European defence after US reduces troops