Built between 1431 and 1535, St. Jacob’s Cathedral witnessed important exchanges in the area of monumental art between North Italy, Dalmatia and Tuscany in the 15th and 16th centuries. Three architects - Francesco di Giacomo, George of Dalmatia and Nicholas of Florence – developed a structure fully made of stone, by using a unique technique for the cathedral’s dome. The result is a harmonious stone whole, arrangement methods and absolute harmony within the cathedral.