Video from ABC News
"After the Notre Dame Cathedral in Paris caught fire on April 15, 2019, meticulous plans and models helped move the long process of restoration forward." from video introduction.
Reconstruction efforts to repair damage caused by the April 2019 fire resumed last June after a three-month delay because of the coronavirus pandemic.
French President Emmanuel Macron would like the cathedral rebuilt completely by 2024 in time for the Olympic Games in Paris.