Interview with Ashk Dahlén, Associate Professor in Iranian Languages, about the great Persian Empire which lasted for more than 200 years and was ruled by legendary kings like Cyrus, Darius and Xerxes. Dahlén explains what was unique with the kingdom, how to deal with one-sided bias sources, the purpose of Persepolis, what we can learn from this part of history and how it relates to modern politics, both in Iran and globally.