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Light Pillars Appeared in the Sky over Moscow on Christmas Eve
January 7, 20152015-01-07T18:24:43+00:002015-01-07T18:31:15+00:00Events
Photo by Valeriya Terpugova
On Christmas, Muscovites have witnessed a rare natural phenomenon – light pillars in the sky. This is a kind of optical phenomenon which is formed by the reflection of sunlight or moonlight by ice crystals that are present in the Earth’s atmosphere.