The film is based on real events when, in the 1970s, the deepest well in the world with a depth of more than 12 thousand meters was drilled in Murmansk Region for research purposes. During drilling, seismic sensors began to pick up strange sounds, an
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The film is based on real events when, in the 1970s, the deepest well in the world with a depth of more than 12 thousand meters was drilled in Murmansk Region for research purposes. During drilling, seismic sensors began to pick up strange sounds, an