Notre-Dame: Could technology be the cathedral's saving grace?
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Almost a year after a devastating fire caused major damage to Notre-Dame Cathedral in Paris, we take a look at how technology can help in its reconstruction. From 3D scans to acoustics and video games, we tell you which new techniques could be the iconic cathedral's saving grace.
And in Test 24, Dhananjay Khadilkar takes us outside the studio and back in time, with a mixed reality trip to meet those who risked their lives to join the French resistance during World War II.