Mysterious spiral of cloud is baffling experts - STUNNING pictures A PECULIAR corkscrewing cloud has perplexed experts with its curious spiral shape. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:China makes artificial sun BREAKTHROUGH in step towards limitless energyAsteroid alert: 19-mile crater found in Greenland – with massive consequencesTrilobites: Hurricane Harvey Passed Over, but These Fish Kept Making BabiesF.D.A. Seeks Restrictions on Teens’ Access to Flavored E-Cigarettes and a Ban on Menthol CigarettesVolcano warning: Campi Flegrei near Naples may be gearing up for eruption, warn expertsDark matter hurricane to hit Earth with speeds of up to 310 metres per SECOND