Notre Dame, a survivor of wars and revolutions, has stood for centuries as not merely the greatest of the Gothic cathedrals and a towering jewel of Western architecture.
It has stood, in the words of one shell-shocked art expert, as "one of the great monuments to the best of civilization." And so it was that across the globe Monday, a stunned and helpless art world wept alongside the people of France as a massive fire ravaged the beloved cathedral.
"Civilization is just so fragile," said Barbara Drake Boehm, senior curator at the Metropolitan Museum of Art's medieval Cloisters branch in New York, her voice shaking as she tried to put into words what the cathedral meant.
"This great hulking monument of stone has been there since 1163. It's come through so many trials." "It's not one relic, not one piece of glass — it's the totality," she said, struggling to find words expansive enough to describe the cathedral's significance.
"It's the very soul of Paris, but it's not just for French people. For all humanity, it's one of the great monuments to the best of civilization."
Boehm spoke shortly before the Paris fire chief announced that firefighters had been able to finally save the structure, including its two main towers. Much of the roof was destroyed.
The exact cause of the blaze wasn't known, but French media quoted the fire brigade as saying it was "potentially linked" to a 6 million euro ($6.8 million) renovation project on the church's spire and its 250 tons of lead.
The Paris Prosecutor's office, which was investigating, said it was treating it as an accident.
Construction on Notre Dame — French for "Our Lady" — began in the 12th century and continued for nearly 200 years. It sustained damage and fell into neglect during the French Revolution, but received renewed attention following the 1831 publication of Victor Hugo's novel "The Hunchback of Notre-Dame."
This led to two decades of restorations, including the cathedral's famous flying buttresses and a reconstructed spire.
While most kings were crowned elsewhere, Napoleon Bonaparte made sure he was crowned there in 1804, and married there in 1810.
Experts note that Notre Dame is an aesthetically smooth synthesis of different centuries. "It all blends together so harmoniously," said Nancy Wu, a medieval architecture expert and educator at the Met Cloisters.
She said she was struck by delicacy of the structure, as well as that in the three stunning stained-glass rose windows, and the elegant exterior carvings.
"There are a lot of details that remind one of intricate lace," she said, "even though it's a building of cold hard stone." Aside from the structure, art experts were concerned about the fate of countless priceless artworks and artifacts inside, including relics like the crown of thorns, which is only occasionally displayed.
"This cathedral has a number of elements that are not just famous but religiously significant," said Julio Bermudez, professor at the school of architecture and planning at Catholic University in Washington "One of course is the crown of thorns ... the faithful believe this is the crown that the Savior put on his head. It's kept in a very safe place. But you know the fire is tremendously damaging."
He also expressed concern about the beautiful stained-glass windows, which he called "really irreplaceable." Those worried about the cathedral's durability could, perhaps, take solace in one of Notre Dame's more fascinating survival stories. In 1977, workers demolishing a wall in another part of Paris discovered 21 heads belonging to 13th-century statues from the cathedral.
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