Snow Rollers: Naturally Occurring Wheels of Snow
(Photo: Miranda Granache)(Photo: marada)According... ...er conditions must occur to produce these amazing snow formations: The ground surface must have an ic... ...s: The ground surface must have an icy, crusty snow , on which falling snow sno...
https://www.neatorama.com/2014/11/09/Snow-Rollers-Naturally-Occurring-Wheels-of-Snow/
