French Chief Architect, Philippe Villeneuve speaks to Canadian Prime Minister Justin Trudeau and Monseigneur Patrick Chauvet as they visit the Notre-Dame Cathedral in Paris, France May 15, 2019. Philippe Lopez/Pool via REUTERS
A picture shows a protective net inside the Notre-Dame Cathedral during the preliminary work in the Notre-Dame Cathedral one month after it sustained major fire damage in Paris, France May 15, 2019. Philippe Lopez/Pool via REUTERS
A picture shows rubbles and damages during the preliminary work in the Notre-Dame Cathedral one month after it sustained major fire damage in Paris, France May 15, 2019. Philippe Lopez/Pool via REUTERS
A worker stands on scaffolding near the rubbles and damages during the preliminary work in the Notre-Dame Cathedral one month after it sustained major fire damage in Paris, France May 15, 2019. Philippe Lopez/Pool via REUTERS
A picture shows rubbles and the cross at the altar, inside the the Notre-Dame Cathedral after it sustained major fire damage from the previous month, during the visit of Canadian Prime Minister in Notre-Dame Cathedral in Paris, France May 15, 2019. Philippe Lopez/Pool via REUTERS
A picture shows damaged chairs and rubbles during the preliminary work in the Notre-Dame Cathedral one month after it sustained major fire damage in Paris, France May 15, 2019. Philippe Lopez/Pool via REUTERS
A worker stands on scaffolding near the rubbles and damages during the preliminary work in the Notre-Dame Cathedral one month after it sustained major fire damage in Paris, France May 15, 2019. Philippe Lopez/Pool via REUTERS
Workers stand in the middle of rubbles and damages during the preliminary work in the Notre-Dame Cathedral one month after it sustained major fire damage in Paris, France May 15, 2019. Philippe Lopez/Pool via REUTERS
French Culture Minister Franck Riester, French Chief Architect Philippe Villeneuve, Monseigneur Patrick Chauvet, Canadian Prime Minister Justin Trudeau and Canadian Ambassador to France Isabelle Hudon visit the Notre-Dame Cathedral in Paris, France May 15, 2019. Philippe Lopez/Pool via REUTERS
Inside Notre-Dame Cathedral
