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'Fences' in Wyoming -+ Summer + Clouds photo by Phil Koch, via Flickr; part of his Horizons series

Tornado & Lightning Lightning can serve as a natural sensing tool that allows scientists to understand what else could be happening in a storm Image Credit: F. Smith God's Art...........

Photos of Day: Sunset Silhouettes and Landscapes -

Photos of the Day: The Spectacular Skies and Landscapes of Iceland -