Chelyabinsk in the sky above A unique optical vision

Amazing natural optical phenomenon observed residents of Chelyabinsk, when the sky light poles, formed by the reflection of light in a small ice crystals, which flooded the frosty air. Colored light poles have been observed in the suburbs of the city. Physicists said that this is very rare in the world, for its appearance requires certain physical conditions of the air. So Chelyabinsk fully carried.


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