C'est pas sorcier - Batisseurs de cathédrales

The team from "It's Not Rocket Science" takes us on a tour of Amiens and Notre-Dame Cathedrals to discover how these stone edifices were built. From the transept to the labyrinth, including the triforium, they explain everything about the techniques and materials used by the architects of the time. They also reveal the methods used to create the stained-glass windows and the restoration work at Notre-Dame. What were the architectural styles of the Middle Ages? What is the purpose of a ribbed vault? How did cathedral builders lift heavy loads?