Brunelleschi’s dome

Dome of S. Maria del Fiore cathedral in Florence Italy, 1420

Brunelleschi's dome
Brunelleschi's dome is the cover of the cruise of the Duomo of Florence Italy; at the time of construction it was the largest dome in the world and still remains the largest masonry dome ever built (the maximum diameter of the internal dome is 45.5 meters, while that of the outside is 54.8). Thanks to the fundamental importance it has played for the subsequent development of architecture and the modern concept of building, it is still the most important architectural work ever built in Europe since Roman times.

Its size prevented the traditional construction method with the help of cèntine, making it possible to formulate many hypotheses on the construction technique used .....Wikipedia....>