The Cathedral of Santa Maria dei Fiori is the dome of Florence and it shows oneself on Piazza del Duomo. It is the quarter church of Europe for largeness: it is long 153 meters while the base of the cupola is wide 90 meters. It has a plant peculiar, composed com'è of a basilican body to three navate knit to one enormous round that support the immense Cupola of the Brunelleschi, the greatest Cupola in masonry never constructed. To its inside 3600 meters you squared of it frescoes, it executes myself between 1572-1579 from George Vasari and Federico Zuccari. The construction was continued from Giotto beginning from 1302 until its dead women happened in 1337

From it.wikipedia.org