How an Amateur Built the World's Biggest Dome

In 1418, Filippo Brunelleschi was tasked with building the largest dome ever seen at the time. He had no formal architecture training. Yet experts still don't fully understand the brilliant methods he used in contructing the dome, which tops the Santa Maria del Fiore cathedral in Florence, Italy. ➡ Subscribe: http://bit.ly/NatGeoSubscribe #NationalGeographic #WorldsBiggestDome #WorldRecords About National Geographic: National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible. Get More National Geographic: Official Site: http://bit.ly/NatGeoOfficialSite Facebook: http://bit.ly/FBNatGeo Twitter: http://bit.ly/NatGeoTwitter Instagram: http://bit.ly/NatGeoInsta Read more about the dome in National Geographic magazine online: http://ngm.nationalgeographic.com/2014/02/il-duomo/mueller-text PRODUCER, EDITOR, AND WRITER: Hans Weise ART DIRECTOR: Fernando G. Baptista ART AND ANIMATION: Fernando G. Baptista and Matthew Twombly MAP AND TYPOGRAPHY: Lauren E. James ADDITIONAL WRITING: Jason Orfanon NARRATOR: Paula Rich RESEARCH: Fanna Gebreyesus and Elizabeth Snodgrass SPECIAL THANKS: Riccardo Dalla Negra, Massimo Ricci, and Francesco Gurrieri How an Amateur Built the World's Biggest Dome https://youtu.be/_IOPlGPQPuM National Geographic https://www.youtube.com/natgeo