The frosty doughnuts above are a rare, natural phenomena called snow rollers. Gravity or wind sets the snow roller creation in motion. Just like making a good snow ball, the snow must be slightly wet to stick. Image by Gord Campbell.
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The frosty doughnuts above are a rare, natural phenomena called snow rollers. Gravity or wind sets the snow roller creation in motion. Just like making a good snow ball, the snow must be slightly wet to stick. Image by Gord Campbell.
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