It was undergoing major restoration in 2019 when flames, thought to be the result of an accident, engulfed the medieval structure. Notre-Dame does not open to the public before the weekend of Dec.

Renovation work at Notre-Dame has been a boon for archaeologists, who have been able to access underground areas that date back to hundreds of years before the cathedral was built. Among the many sets of bones they discovered are those believed to belong to the Renaissance poet Joachim du Bellay.