Pisa Cathedral, Italy Distant view of eastern facade with campinile to the left Holly Hayes, Creative Commons License Attribution-NonCommercial 2.0. https://www.flickr.com/photos/sacred_destinations/2470614218/in/set-72157604908977522

Pisa Cathedral, Italy Distant view of principal facade Holly Hayes, Creative Commons License Attribution-NonCommercial 2.0. https://www.flickr.com/photos/sacred_destinations/2470624708/in/set-72157604908977522

Pisa Cathedral, Italy General exterior view Source: By Saffron Blaze (Own work) [CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons. http://commons.wikimedia.org/wiki/File%3ADuomo_of_the_Archdiocese_of_Pisa.jpeg

Pisa Cathedral, Italy Exterior view of eastern facade Holly Hayes, Creative Commons License Attribution-NonCommercial 2.0. https://www.flickr.com/photos/sacred_destinations/2469802367/in/set-72157604908977522

Pisa Cathedral, Italy Overhead view from the east of cathedral with baptistery in background Holly Hayes, Creative Commons License Attribution-NonCommercial 2.0. https://www.flickr.com/photos/sacred_destinations/3388198498/in/set-72157604908977522

Pisa Cathedral, Italy Nave Holly Hayes, Creative Commons License Attribution-NonCommercial 2.0. https://www.flickr.com/photos/sacred_destinations/2469800917/in/set-72157604908977522

Pisa Cathedral, Italy Dome depicting the Ascension of the Blessed Virgin by Riminaldi Source: "Pisa.Duomo.dome.Riminaldi01". Licensed under Creative Commons Attribution-Share Alike 3.0 via Wikimedia Commons - http://commons.wikimedia.org/wiki/File:Pisa.Duomo.dome.Riminaldi01.jpg#mediaviewer/File:Pisa.Duomo.dome.Riminaldi01.jpg

Pisa Cathedral, Italy Plan Source: Encyclopaedia Britannica (11th ed.) (New York, NY: The Encyclopaedia Britannica Company, 1910). Public domain.