Description The greatest unsolved mystery of the 20th century--until now.
What happened to them has baffled investigators and researchers to this da.
Fact: By morning all are dead, several having suffered gruesome, violent deaths.
Fact: During the night of February 1, 1959, in the remote reaches of Siberia, nine Russian hikers slash open their tent from the inside and flee into a blizzard in subpolar temperatures.
Description The greatest unsolved mystery of the 20th century--until now