poster unveiling ceremony of the World Congress of Arts for Muhammad (PBUH) On the 11th of March- 2021, the day of Eid –e-Mab'as, poster unveiling ceremony of the World Congress of Arts for Muhammad (PBUH) was held at Shah Cheragh Shrine, a famous holy shrine housing the tomb of the brothers Ahmad and Muhammad who are brothers of Imam Reza (PBUH), in the city of Shiraz, southern Iran. 2021-03-11