Tombs of Ataxerxes I and Darius the Great, Naqsh-e Rostam Necropolis, near Persepolis, Iran, Middle East

Tombs of Darius II, Ataxerxes I and Darius the Great, Naqsh-e Rostam Necropolis, near Persepolis, Iran, Middle East

Carved relief of four Royal Persian Guards, facade of Private Palace of Darius the Great (Tachara), Persepolis, UNESCO World Heritage Site, Iran, Middle East

Carved relief of the Investiture of Narse, 294-302 AD, to the lower right of the Tomb of Darius the Great, Naqsh-e Rostam Necropolis, Iran, Middle East

Tourists walking in front of Tomb of Darius the Great, Naqsh-e Rostam Necropolis, near Persepolis, Iran, Middle East

Carved relief of Darius the Great, builder of Persepolis, UNESCO World Heritage Site, Iran, Middle East

Tombs of Artaxerxes I (left), Xerxes (centre), and Darius the Great (right), Naqsh-i-Rustam, Iran, Middle East

From left to right the tombs of Artaxerxes I, Xerxes and Darius the Great, Naqsh-e Rustam, Iran, Middle East