A rare atmospheric optical phenomenon, commonly known as "sun dogs", was seen in skies over north China's #InnerMongolia Autonomous Region on Monday.
What appeared as three different suns with huge solar halo in the sky transformed the sky into a canvas of ethereal beauty.
According to experts, the phenomenon of #sundog is caused by refraction of sunlight through regular hexagonal ice crystals high in the earth's atmosphere. This appears only when the atmospheric pressure is stable with adequate moisture in the air and plenty of clouds during a cold weather period.
Ergun City in Inner Mongolia, located in a high-latitude region and always cold in winters, often sees such phenomena in winter.
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