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Wednesday, June 20, 2018

Derinkuyu: the advanced underground city in Turkey using ventilation shafts that could date as far back as 15th century BC

Derinkuyu: the advanced underground city in Turkey using ventilation shafts that could date as far back as 15th century BC
Karl at 9:59:00 PM
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Karl
Davao city,Philippines, Davao city, Philippines
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