Comment on Kola Superdeep BoreholeComments−akerl_12yA video about this, for folks who would rather watch/listen than read: https://www.youtube.com/watch?v=zz6v6OfoQvs
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A video about this, for folks who would rather watch/listen than read: https://www.youtube.com/watch?v=zz6v6OfoQvs