woensdag 4 april 2012

THE MYSTERY OF THE BLACK DEATH. An investigation into the causes of the notorious Black Death, which devastated 14th-century Europe and killed up to half its population. New evidence suggests the disease was not bubonic plague spread by rats, but could instead have been a deadly virus which mysteriously vanished yet may still exist in the world today.

http://youtu.be/Gs5Uh0Fah_k

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