🕳Mysterious black holes 30 meters deep emerged in the Russian northern region of Yamal about a decade ago.

Since then Russian scientists have been trying to unravel the origin of 17 giant craters. Nenets reindeer herders who witnessed the formation of some of the craters say they could be a sign that ‘someone, some time, did something wrong.’

Which explanations have scientists offered so far? Find out in our documentary, ‘Black Holes of Yamal’ (2021).

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