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The city is located near the village of Arzanfud, 25 kilometers southeast of the city of Hamedan, the Hamedan Cultural Heritage, Tourism and Handicrafts Department (HCHTHD) announced on Saturday in a press release.
The city, which is comprised of 25 rooms connected to each other by several corridors, had been dug under a stone mound at a depth of 4 to 6 meters.