When Notre Dame Cathedral caught fire in 2019, Paris came perilously close to losing more than 800 years of history. As engineers rebuild, researchers use cutting-edge technology to piece together what happened and restore the cathedral.

On this week's Lunch Hour Live, GBH Contributor Sue O'Connell chats with NOVA's "Saving Notre Dame" Director and Producer, Joby Lubman, to give you an exclusive look inside the process of reconstructing this architectural masterpiece.