Four women look round as they take notes next to a painting by Rene Margritte entitled Les Belles Relations during a press preview at Sotheby's auction house in London, Thursday, Jan. 31, 2013. The work is estimated to sell for some 2-3 million pounds (US $ 3.16-4.7 million, euro 2.33-3.5 million) when sold at auction on Feb. 5, in London. (AP Photo/Alastair Grant)

Associated Press
Four women look round as they take notes next to a painting by Rene Margritte entitled Les Belles Relations during a press preview at Sotheby's auction house in London, Thursday, Jan. 31, 2013.  The work is estimated to sell for some 2-3 million pounds (US $ 3.16-4.7 million, euro 2.33-3.5 million) when sold at auction on Feb. 5, in London. (AP Photo/Alastair Grant)
Four women look round as they take notes next to a painting by Rene Margritte entitled Les Belles Relations during a press preview at Sotheby's auction house in London, Thursday, Jan. 31, 2013. The work is estimated to sell for some 2-3 million pounds (US $ 3.16-4.7 million, euro 2.33-3.5 million) when sold at auction on Feb. 5, in London. (AP Photo/Alastair Grant)
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