Just a few months back, this picture started making the rounds titled simply as "What Happens When Lightening Strikes Sand".
"Incredibly, lightning can and does in fact create something amazing when it hits sand, but the conditions have to be perfect. When it hits a sandy beach high in silica or quartz and the temperature goes beyond 1800 degrees Celsius, the lighting can fuse the sand into silica glass. The blast of a billion Joules radiates through the ground making fulgurite—hollow, glass-lined tubes with a sandy outside. Petrified lightning.
When the lightning perfectly strikes the sand, it branches through it like the root system of a tree to make this beautiful anomaly. The lightning creates a tube of glass through the ground, not above it. You can actually see the impact hole when it occurs in rock.
Though fulgurite is made below the ground, it does have a way to get above it: erosion. Because glass can resist much of what Mother Nature throws at it, a piece of petrified lightning could stay below ground for decades, centuries even. In time, the sand above eventually shifts to reveal the tubes, which still stand the tests of stinging sand and blowing wind." (Kyle Hill, 2013)
When lightning strikes sand, it can create something beautiful no doubt, but this photo is now confirmed to have nothing to do with lightning. The original photo appears to come from an artist who specializes in making sand castles. (Simply genuis). This photo is what happens when you make an interesting castle out of sand, not when lightning hits it.
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