Where Was SAIS This Summer? Video of Summer Travels The SAIS Observer Staff 13 years ago The Hagia Sophia in Istanbul was originally an Orthodox church and was converted to a mosque. Here it is seen from the Blue Mosque. (Tristram Thomas) Link to Video: SAIS Summer Travels Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Email a link to a friend (Opens in new window) Email