An art student poses for photographers at the annual Royal College of Art Secret Postcards exhibition...
An art student poses for photographers at the annual Royal College of Art Secret Postcards exhibition which goes on display ahead of next week's sale in London on November 17, 2011. 2,900 postcard artworks by Royal College of Art alumni and current students will go on sale on Saturday 26 November, 2011. REUTERS/Olivia Harris (BRITAIN)