A 5,000-Year-Old Underground City Was Discovered in Turkey

Posted on Mar 11, 2016

4. The Underground City at Derinkuyu Could Be Closed from the Inside with Large Stone Doors

The Underground City at Derinkuyu Could Be Closed from the Inside with Large Stone Doors
Photo: img.theepochtimes.com
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A 5,000-Year-Old Underground City Was Discovered in Turkey
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