The Notre Dame fire of 2019 turned the cathedral into a house of cards. Here's how architects and engineers raced to stabilize the cathedral: | NOVA l PBS

This 360° video, filmed in 2015 by CNNVR, shows the inside of the Notre Dame cathedral. On Monday the cathedral was engulfed in flames and suffered extensive damage. Built in the 13th century, the medieval cathedral is considered a feat of architecture as much as a religious symbol. https://cnn.it/2IljdL7 | CNN