CNN joined the choir from Maîtrise Notre-Dame de Paris for one of their very first performances in the restored Notre Dame Cathedral. | CNN

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