This third-century relief at Naqsh-e Rustam, just a few miles from Persepolis, depicts the beginning of an empire: Ardashir, the first Sassanid king, is receiving a ring of kingship from the Zoroastrian deity Ahuramazda. The empire only ended four centuries later with the arrival of Islam in Iran.

This third-century relief at Naqsh-e Rustam, just a few miles from Persepolis, depicts the beginning of an empire: Ardashir, the first Sassanid king, is receiving a ring of kingship from the Zoroastrian deity Ahuramazda. The empire only ended four centuries later with the arrival of Islam in Iran.