A devastating fire on Monday destroyed the Notre-Dame Cathedral's spire and roof. Hundreds of millions of Euros have already been pledged by companies and philanthropists to rebuild the iconic 850-year-old Paris structure.
Massive Fire Damages Much of Notre-Dame Cathedral in Paris
Geraldine Amiel, Paris bureau chief, Bloomberg
John Fidler, British-trained architect; preservation consultant
Cecile Alduy, professor of French literature and culture, Stanford University