A fire was burning Monday at the famed Notre Dame cathedral in Paris, police said.
Video footage from the scene showed flames and smoke spewing from the landmark, one of the city’s most popular tourist destinations in the world. Tourists and locals took to social media to document the blaze.
“A terrible fire is underway at Notre-Dame Cathedral in Paris,” Mayor Anne Hidalgo said on Twitter. “We are mobilized on site in close connection with the @dioceseParis. I invite everyone to respect the perimeter of security.”
The cause was not immediately known, but officials said it could be linked to renovation work. The cathedral is in the midst of a $6.8 million renovation project.
Weather and pollution have taken their toll on the structure, which dates back almost 1,000 years.
“Pollution is the biggest culprit,” Philippe Villeneuve, architect in chief of historic monuments in France, told Time magazine in 2017. “We need to replace the ruined stones. We need to replace the joints with traditional materials. This is going to be extensive.”
The cathedral dates back almost 1,000 years. It’s construction began in the 12th century, and it took about 300 years to complete. The result is that, although it is predominantly French Gothic, there are areas that reflect the Renaissance and the Naturalism era of construction.