Duomo di Siena, Tuscany, Italy (by mamiron65)

Milan, Italy (by alex melsitov (www.melsitov.com))

Florence Cathedral (by Maria Bolshakova)

Florence Skyline (by Firenzesca)

Duomo, Milan (by carmen privitera ♥)

The Duomo of Florence

(by todd landry photography)

Florence, Italy

  Duomo di Milano, Italy

via marcos furer

Another view of Milan Cathedral

(via Stuck in customs)

Picture taken from the roof of the cathedral.This is one of the largest and most famous buildings in Europe. The inside of the Duomo is so vast that it can hold 40,000 people, which is more than most football stadiums.