Cathedral of Santa Maria Nascente, shortly Milan Cathedral or Duomo di Milan, is situated in Piazza del Duomo and it is the third largest church of Christianity (surpassed only by St. Peter in Rome and the Cathedral of Seville). The Duomo is no doubt a delight for the eyes of every tourist. Although most of the key elements of the Duomo were complete by 1391, the construction lasted almost 500 years to be carried out. Some maintenance and reconstruction work is currently taking pl...