In 2015 an American art historian and professor at Vassar College named Andrew Tallon, used 3D lasers mapping technology to scan the Notre-Dame and virtualy recreate the iconic cathedral in every small detail. CNN poses that this work could help the restoration of the gothic church.
3D mapping and virtual recreation are increasingly used in the heritage field. Not only to keep a copy for use in a possible future catastrophe, but also to be able to study structure and construction of particular historical buildings.
Andrew Tallon
Andrew Tallon studied Gothic architecture and studied the processes of
medieval construction to understand how these monuments were created.
Read more at CNN.