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: 2 SeasonEpisode: 9 EpisodeRuntime: 30 minutesQuality: HDIMDb: 6.30 / 10 by 51 usersPopularity: 12.253Language: English