چکیده : | The Imam Reza shrine (Persian: حرم امام رضا) in Mashhad, Iran is a complex which contains the mausoleum of Imam Reza, the eighth Imam of Twelver Shiites. It is the largest mosque in the world by area. Contained within the complex are the Goharshad Mosque, a museum, a library, four seminaries,[1] a cemetery, the Razavi University of Islamic Sciences, a dining hall for pilgrims, vast prayer halls, and other buildings |