PHOTO: Amazing light pillars in Annandale, Minn.

photo by Brittany Tomes

Thanks to Brittany Tomes for sharing this mystical photo of light pillars in Annandale, Minn. Brittany captured the photo at 4 a.m. Monday during subzero temperatures.

A light pillar is an atmospheric optical caused by the reflection of light from tiny ice crystals suspended in the air. The light can come from natural sources like the sun or moon, and from human sources like streetlights or traffic.

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