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S1 E4: They are the guardian angels of densely populated areas such as Naples, they are perched at more than 6000 meters on the Andean highlands or immersed in the mysterious Auvergne subsoil. Volcanologists from all over the world are ready to face any challenge to quench their thirst for knowledge. They have made volcanoes their open-air laboratories.
Dec 4, 202049 min
Dec 4, 2020
English (United States) (CC)
Closed captions (CC) refer to subtitles in the available language with the addition of relevant non-dialogue information.