Hagia Sophia, Istanbul (Constantinople) Distant view Source: http://en.wikipedia.org/wiki/File:Hagia_Sophia_Mars_2013.jpg

Hagia Sophia, Istanbul (Constantinople) Interior Source: http://commons.wikimedia.org/wiki/File:AYA_Sophia2012.33.jpg

Hagia Sophia, Istanbul (Constantinople) Dome (interior) Source: http://commons.wikimedia.org/wiki/File:HagiaSophia_Dome_(pixinn.net).jpg

Hagia Sophia, Istanbul (Constantinople) Vertical panoramic view of interior including dome Source: http://commons.wikimedia.org/wiki/File:HagiaSophia_DomeVerticalPano_(pixinn.net).jpg

Hagia Sophia, Istanbul (Constantinople) Interior column Source: http://commons.wikimedia.org/wiki/File:Istanbul.Hagia_Sophia041.jpg

Hagia Sophia, Istanbul (Constantinople) Southwestern entrance mosaic. The Virgin Mary is standing in the middle, holding the Child Christ on her lap. On her right side stands emperor Justinian I, offering a model of the Hagia Sophia. On her left, emperor Constantine I, presenting a model of the city Source: http://commons.wikimedia.org/wiki/File:Hagia_Sophia_Southwestern_entrance_mosaics_2.jpg

Hagia Sophia, Istanbul (Constantinople) Section Source: http://commons.wikimedia.org/wiki/File:Hagia-Sophia-Laengsschnitt.jpg Wilhelm Lübke, Max Semrau: Grundriß der Kunstgeschichte. Paul Neff Verlag, Esslingen, 14. Auflage 1908.

Hagia Sophia, Istanbul (Constantinople) Plan Source: http://commons.wikimedia.org/wiki/File:Hagia-Sophia-Grundriss.jpg Wilhelm Lübke, Max Semrau: Grundriß der Kunstgeschichte. Paul Neff Verlag, Esslingen, 14. Auflage 1908.