Hidden Details

Florence began to build a new cathedral in 1296. Wars, politics, and plague slowed construction so work on the dome didn’t commence for more than a century. Click on the links below to see the hidden layers of the dome.
ART: FERNANDO G. BAPTISTA, DANIELA SANTAMARINA, MATTHEW TWOMBLY, AND ELIZABETH SNODGRASS, NGM STAFF; KIRSTEN HUNTLEY; FANNA GEBREYESUS; MARGARET NG. TEXT: A. R. WILLIAMS, NGM STAFF.
SOURCES: ROWLAND MAINSTONE; RICCARDO DALLA NEGRA, UNIVERSITY OF FERRARA, ITALY; MASSIMO RICCI, FORUM UNESCO—UNIVERSITY AND HERITAGE, POLYTECHNIC UNIVERSITY OF VALENCIA, SPAIN; FRANCESCO GURRIERI, UNIVERSITY OF FLORENCE