A woman poses for pictures beside a painting entitled 'Portrait of Cecilia Gallerani' (The Lady with an Ermine) by Italian artist Leonardo da Vinci during a photocall at the National Gallery in London, on November 7, 2011. The painting forms a part of an exhibition entitled 'Leonardo da Vinci: Painter at the Court of Milan' which begins at the National Gallery on November 8, 2011. AFP PHOTO/CARL COURT