A mysterious symphony of rapid-fire lightning bolts used to create the greatest light show on Earth over the Catatumbo River in Venezuela -- until suddenly they stopped and no one knew why.
More than 40,000 bolts ripped across the night sky as many as 300 nights a year for nine hours at a time. It occurred so frequently that the phenomenon became known as "Relampago de Catatumbo," or "Catatumbo Lightning."
Catatumbo lightning in 2010.credit: Alan Highton Photography
For centuries, the...Full Story