(Photograph) - Cauliflower kaleidoscope: Dundee University fine art graduate Roddy Mathieson's sculpture Mantra is part of the Dark Matter exhibition at the Turnpike Gallery in Leigh, Lancashire. Containing a revolving cauliflower cast in aluminium, Mantra, says Mathieson, 24, is an attempt to demonstrate the industrialisation of nature. It uses mirrors to create a kaleidoscope effect. Photo: Pauline Neild.