Rebuilding Notre Dame

BBC Two, 8pm

Three years on from the accidental fire that engulfed the Parisian cathedral, Lucy Worsley gets an exclusive tour of the renovations at Notre-dame in this fascinating documentary. As architects scour the country for 2,000 perfect oaks to help recreate its roof and spire precisely, Worsley learns about architectural secrets that have lain buried in its structure for 850 years.