Hospital (facade) and Grand Mosque or Great Mosque (secondary entrance), by Unknown Artist, 1228 - 1229, 13th Century. Turkey, Sivas, Divrigi, Ulu Cami, Grand MosqueGreat Mosque. View of the secondary entrance to the Grand Mosque Great Mosque, Ulu Cami, facade of the hospital. The Seljukian Hospital of Divrigi stands out on account of the extraordinary peculiarity of its architectural decorations and monumental portal, which recall the characters of the Gothic architecture introduced by the Crusaders. Ogival arches pointed arches geometric star pattern decorations. The architectural structure with the minaret, left, is the Ulu Cami. 2009 photograph.