TED Talks on Instagram: "On April 15, 2019, the world watched as the infamous Notre-Dame went up in flames — and it took more than 2,000 hands to bring it back to life, says Philippe Villeneuve, chief architect of the cathedral’s restoration. In his TED Talk, he shares an insider look at the craftsmanship, devotion and innovation that went into reconstructing this famous Paris landmark — while staying true to its history. Visit the link in our bio to see the full talk."