A team of scientists set out to solve the mystery of chunks of ancient glass scattered in a remote part of the Sahara Desert. Their quest takes them on a perilous journey into the Great Sand Sea, the wastes of Siberia and the test site of the world's first atomic bomb in New Mexico. What their search uncovers is a devastating new natural phenomenon.

• DirectorCynthia Page
• Release20 July 2006
• Genre
  Documentary / History
• Duration0h 50m
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• Productions

  BBC