Fifth Season at Dahan-e Gholaman starts

Iran News has a story on the start of Mansour Seyed Sajjadi's fifth season of excavations at Dahan-e Gholaman, the Achaemenid site dubbed as "Slaves Gate", and one of very few known Achaemenid Dynasty sites with a religious complex:

Iran News - 'Slaves Opening' dating back to Achaemenid era