A visitor looks at an artwork entitled ''Queen Beatrix of the Netherlands'' by US artist Andy Warhol at the PAN Amsterdam art fair in Amsterdam, on November 24, 2013. PAN Amsterdam, the most important national art and antiques fair in the Netherlands, runs from November 24 until December 1, 2013. AFP PHOTO/AN/ ROBIN VAN LONKHUIJSEN netherlands out -RESTRICTED TO EDITORIAL USE, MANDATORY CREDIT OF THE ARTIST, TO ILLUSTRATE THE EVENT AS SPECIFIED IN THE CAPTION - (Photo credit should read ROBIN VAN LONKHUIJSEN/AFP via Getty Images)
