Cloudy with a chance of rainbow: iridescent clouds brighten the sky over parts of Victoria

Rainbow clouds are not uncommon in Australia but rarely photographed, and experts say they get their colours when light is diffracted around ice crystals Follow our Australia news live blog for latest updates Get our breaking news email , free app or daily news podcast Rainbow clouds shone over parts of Victoria over the weekend, in an unusual visual phenomenon known as iridescent clouds. Photogra