The nave is the longest part of the cross and this serves as the assembly room for the congregation. The two arms of the cross call the transepts, form right angles to the nave and meet at the crossing. The apse often contains the main alter. The finest examples of French Gothic Cathedrals include those in Amiens, Bourges, Charties, Reims and Strasburg. St. Mark's Cathedral in Venice is a fine example of Byzantine architecture.
Spanish Cathedrals tend to be bigger than most.
Several great English Cathedrals combine Romanesque and Gothic Architecture. Some are Cantbury, Durham, Ely, Lincoln, Peterbourgh and York. Salisbury Salibury Cathedral is completely Gothic. St. Paul's in London replaced a Norman structure. Italian Cathedrals display magnificent materials and details of workmanship.