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Christie's post-war and comtemporary art specialist Anthony McNerney, right, and a member of staff carry an Andy Warhol painting 'Double Mona Lisa' to be hung for display at Christies' in London, Monday, April 3, 2006. The painting is to be auctioned in an inaugural sale of Modern and Comtemporary Art at the Jumeirah Emirates Towers in Dubai on May 24. (AP Photo/Sang Tan)