Giant tomb of Xerxes in the background. Xerxes was a king in the Achamenid empire of Persia, near 2500 years ago. The empire has the greatest territory, ever reached by any kingdom in the world. The king is shown standing below the flying symbol of god, Ahuramazda according to Zorostrians. Representatives of many nations under the rule of Achemenid empire are shown holding the king's throne. The tomb complex is located in Naqsh-e Rostam, Fars province of Iran.