Photos taken at Notre Dame Cathedral offer a glimpse inside the cathedral's sanctuary and roof structure, offering some hope — but a newly-released aerial image of the roof show widespread damage.

One French official and the Paris fire chief say they think Notre Dame Cathedral's landmark rectangular towers have been saved from the fire that caused horrific damage, but the full extent of the damage is not known.


SILVER LINING: Late art historian's work, 'Assasin's Creed' video game could help rebuild Notre Dame




READ MORE: Why Notre Dame Cathedral, a medieval stone church, has burned so quickly





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Prosecutors in Paris say investigators are treating the blaze that destroyed part of Notre Dame as an accident for now.

