The Tunguska Incident
2000 square kilometres of forest flattened with no official explanation over 100 years later.
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2000 square kilometres of forest flattened with no official explanation over 100 years later.
Dozens of diplomats afflicted with neurological symptoms, some severe, yet nobody can agree why.
The UK doesn't usually get many earthquakes - so why were there dozens of them in the North West over a short period?
What is GISA, why have we never heard of it, and how does something so big have such a small footprint?