What can explain the grisly deaths of nine students who went missing in Siberia? New investigation of declassified Soviet files reveals evidence of their horrifying ordeal, and scientists examine clues that may prove the existence of a yeti.
What can explain the grisly deaths of nine students who went missing in Siberia? New investigation of declassified Soviet files reveals evidence of their horrifying ordeal, and scientists examine clues that may prove the existence of a yeti.
