aoyagi
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Light PIllars, Walter Tape (Alaska Fairbanks) May 2006  flat fluttering ice crystals may form near the ground in a form of light snow, sometimes known as a crystal fog. These ice crystals may then reflect ground lights in columns not unlike a Sun-pillar.

Light PIllars, Walter Tape (Alaska Fairbanks) May 2006 flat fluttering ice crystals may form near the ground in a form of light snow, sometimes known as a crystal fog. These ice crystals may then reflect ground lights in columns not unlike a Sun-pillar.