I hope that the common cause of rebuilding Notre Dame will help bring the people of France (and beyond) together.
When our own National Cathedral was damaged in the 2011 earthquake, there was concern about finding masons with the necessary skills. They found some: https://wamu.org/story/18/12/12/re-c...quake-repairs/
Also related to restoration: https://wamu.org/story/19/03/01/nati...ning-to-legos/