The Duomo, Sienna, Italy. Black and white marble interior. One of my favorites!
Siena Cathedral- Tuscany, Italy
Siena - Duomo #SACI field trips include beautiful #Siena (#Tuscany). http://www.saci-florence.edu/17-category-study-at-saci/90-page-field-trips.php
Unique Tuscan Siena Cathedral features magnificent star-studded ceilings and works of art by Donatello and Michaelangelo
The Most Stunning Stained Glass Windows In The World: Siena Cathedral, Siena, Italy
The Piccolomini Library in Siena Cathedral. Color plates. Piccolomini was Pope Pius II. His nephew, Pope Pius III, built the library (26104) by ArtPaperEtc on Etsy
Duomo (Siena Cathedral) - Siena, Italy by Batistini Gaston via Flickr