The commemoration ceremony of the National Day of Hazrat Ahmad Ibn Musa Al-Kadhim (AS) [Shah-e-Cheragh] was held in the holy shrine in Shiraz.
Shāh Chérāgh is a monument and Mosque in Shiraz, Iran, housing the tomb of the brothers Ahmad and Muhammad, sons of Imam Mūsā Al-Kādhim (AS) and brothers of ‘Imam Al-Ridhā (AS). The two took refuge in the city during the Abbasid persecution of Shia Muslims. Shāh-é-Chérāgh is Persian for “King of the Light”.
Source: en.shafaqna.com