Work on the new spire at Notre Dame Cathedral in Paris is underway, as crews started building the framework on the structure, four years after a devastating fire. | WTHR-TV

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