Church of S. Costanza, Rome Facade Source: http://en.wikipedia.org/wiki/Santa_Costanza#mediaviewer/File:S_Costanza_-_facciata_1160930.JPG

Church of S. Costanza, Rome Exterior view of apse Source: http://en.wikipedia.org/wiki/Santa_Costanza#mediaviewer/File:Santa_Costanza_-_vista_dalla_basilica_costantiniana.jpg

Church of S. Costanza, Rome Exterior view Source: http://wikitravel.org/shared/File:Santa_costanza1.jpg

Church of S. Costanza, Rome Interior with altar Source: http://en.wikipedia.org/wiki/Santa_Costanza#mediaviewer/File:Santa_Costanza_Interior.jpg

Church of S. Costanza, Rome Mosaic in the ambulatory Source: http://en.wikipedia.org/wiki/Santa_Costanza#mediaviewer/File:RomaSCostanzaInterno1.jpg

Church of S. Costanza, Rome Mosaic depicting the "Traditio Legis" Source: http://en.wikipedia.org/wiki/Santa_Costanza#mediaviewer/File:Santa_Costanza._Mosaic_del_S._VII_%E2%80%9CTraditio_Legis%E2%80%9D_adjusted.JPG

Church of S. Costanza, Rome Piranesi's etching of the elevations and sections of the site. Ca. 1755. Source: http://en.wikipedia.org/wiki/Santa_Costanza#mediaviewer/File:Piranesi-2023.jpg

Church of S. Costanza, Rome Piranesi's 18th-century reconstruction of the original plan of the funerary hall and two mausolea, with Santa Costanza at top. Ca. 1755. Source: http://en.wikipedia.org/wiki/Santa_Costanza#mediaviewer/File:Piranesi-2022.jpg