Overview:The author returns to Turkey to explore Derinkuyu, an ancient underground city and survival bunker that could shelter thousands in times of crisis.
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First Air Date: Nov 11, 2022Last Air date: Nov 11, 2022Season: 1 SeasonEpisode: 8 EpisodeRuntime: 30:14 minutesQuality: HDIMDb: 4.8 / 10 by 47 usersPopularity: 22.384Language: en
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