Shāh Chérāgh is a funerary monument and mosque in Shiraz, Iran, housing the tomb of the brothers Ahmad and Muhammad, sons of Mūsā al-Kādhim and brothers of ‘Alī ar-Ridhā. The two took refuge in the city during the Abbasid persecution of Shia Muslims. Father and son kneeling to pray on Persian carpets in the mosque.