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  A man looks at an atmospheric phenomenon where a rainbow is wrapped around the sun over Johannesburg. (Werner Beukes, Sapa)
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  A person photographs a round rainbow, seen around the sun in Johannesburg. The rare phenomenon only appears on occasions when the sun is seen through a fine layer of moisture between the earth and the sun. (Tawanda Mudimu, AP)
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  (Wimpie de Beer, News24 user)
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  Sun halos are the result of ice crystals trapped in cirrus clouds, in the lowest layer of earth's atmosphere. (Rene Del Carme, News24 user)
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  The crystals act as prisms, reflecting light that mimics bands of colour found in a rainbow. (Rene Del Carme, News24 user)
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  (Peter Maher, News24 user)
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  (Rodney Louw, News24 user)
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  (Purvi Purohit, News24 user)
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  (Purvi Purohit, News24 user)
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  (Lenadri Kruger, News24 user)
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  (Lenadri Kruger, News24 user)
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  (Lenadri Kruger, News24 user)
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  (Alexander Meissner, News 24 user)
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  (Pierre Kitney, News24 user)
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  (Liz Edwards, News24 user)
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  (Deidre Koekemoer, News24 user)
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  (Hannes du Buisson, News24 user)
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  (Rodney Louw, News24 user)
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  (Veronica van der Merwe, News24 user)
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  News24 users sent us these photos of a halo around the sun in Johannesburg. (Michael Boucher, News24 user)
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  These halos are caused when light from the sun refracts through ice crystals high in the atmosphere. Depending on the size of the crystals, the colour of the halo differs and they can also form around the moon. (Richard Wilson, News24 user)
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  (Theo Makhathini, News24 user)
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  This is called a sundog. (Theo Makhathini, News24 user)
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  (Lynea Evans, News24 user)
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  (Renier Pretorius, News24 user)
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  (Adavela Ngwenya, News24 user)
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  (Kyle, News24 user)
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  (Wendy, News24 user)
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  (Lusanda Ncapayi, News24 user)
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  (Leonie Engelbrecht, News24 user)
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  (Jo-Ann Jenniffer Lawrance, News24 user)
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  (Claude Dingli, News24 user)

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