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Six rare "snow rollers" were spotted by Brian Bayliss in Wiltshire.
He said he spotted them in a field he owns and at first thought they had been manmade but there were no footprints.
"These are truly beautiful photos of a very rare meteorological phenomenon - called snow rollers or snow bales. Brian was very lucky to see these," Mr Fergusson said.
"Conditions have to be just right for snow rollers to occur: a smooth, un-vegetated hillside, such as in this case near Marlborough, enhances the chance of them being formed.
"A layer of thin snow, settled atop existing ice and not sticking to it, combined with specific temperature, moisture level and wind speed, are fundamental to the creation of these natural oddities."