A crane lifts experts as they inspect the damaged Notre Dame cathedral after the fire in Paris, Tuesday.

The Paris Fire Brigade works at the burning Notre Dame cathedral, Monday

Firefighters spray water onto the facade of Notre Dame cathedral.

A man kneels as people came to watch and photograph the Notre Dame cathedral.

Flames and smoke rise as the spire on Notre Dame cathedral collapses in Paris, Monday, April 15, 2019. Massive plumes of yellow brown smoke is filling the air above Notre Dame Cathedral and ash is falling on tourists and others around the island that marks the center of Paris.

French President Emmanuel Macron walks by Notre Dame Cathedral during his visit to the site

Flames and smoke rise as the spire of Notre Dame cathedral collapses in Paris.

The Notre Dame cathedral is seen after the fire in Paris on Tuesday.