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Audience Hall (apadana) of Darius and Xeres
https://www.khanacademy.org/test-prep/ap-art-history/ancient-mediterranean-ap/ancient-near-east-a/a/audience-hall-apadana-of-darius-and-xerxes-persepolis
https://www.khanacademy.org/humanities/ancient-art-civilizations/ancient-near-east1/persian/a/persepolis
http://www.livius.org/pen-pg/persepolis/persepolis_apadana.html
http://aparthistory2015.blogspot.com/2015/10/audience-hall-of-darius-and-xerxes.html
http://www.louvre.fr/en/oeuvre-notices/capital-column-audience-hall-palace-darius-i
