Gunbad i Kabud (The Blue domed Mausoleum), by Unknown Artist, 1196, 12th Century. Iran, Azerbaijian, Maragheh, Maragheh, Gunbad-i Kabud (The Blue-Domed Mausoleum). Detail of the Gunbad i Kabud Blue domed Mausoleum. The plan is decagonal and cylindrical ribs support twelve arches, completed by muqarnas that were crowned by a most likely dodecagonal pyramid shaped coping. The lower part of the structure, corresponding to the crypt, was made with finely shaped stones, laid in rows on a markedly projecting socle. 2009 photograph.