I passed through Frankfurt, Germany in the 1980s. The German government was underwriting large scale rebuilding from scratch of many stone edifices lost during the War in the city center. I was impressed that there were enough stone masons available for the immense effort, but obviously however few or many there were, they put the time and wherewithal into it to get it done. The overall work began in the 50s and continued past 2000. I believe for most of these structures there was nothing like the volume of pure stone of Notre Dame, plus nothing near as ancient.

It will be interesting to wait for the facts about the Notre Dame's fire's origin. Unfortunately renovation was not a choice. Time, gravity, pollution, wind and particulates were having long term effects.