Introduction

Olivier Chonde is the official clocksmith of Notre Dame. His job was to wind up the cathedral's clock every week and make sure all its parts ran smoothly. In his role he experienced the cathedral in a way that very few others got to. Today we're traveling back with Olivier to a time before the fire. He'll give us an insider's tour of the cathedral, including a place where no tourist has ever been,. The wooden beams under Notre Dame's roof, which once held the cathedral's antique clock.