Dutch Queen Beatrix shakes hands with the crowd when she tours the exhibition "Eye to Eye with Rembrandt, Rubens and Titian" at the Frans Hals Museum in Haarlem, western Netherlands, March 22, 2013. The Queen announced her abdication two months ago, and the resignation from the throne will take place on April 30.(Xinhua/Sylvia Lederer)

Dutch Queen Beatrix tours the exhibition "Eye to Eye with Rembrandt, Rubens and Titian" at the Frans Hals Museum in Haarlem, western Netherlands, March 22, 2013. The Queen announced her abdication two months ago, and the resignation from the throne will take place on April 30.(Xinhua/Sylvia Lederer)

Dutch Queen Beatrix tours the exhibition "Eye to Eye with Rembrandt, Rubens and Titian" at the Frans Hals Museum in Haarlem, western Netherlands, March 22, 2013. The Queen announced her abdication two months ago, and the resignation from the throne will take place on April 30.(Xinhua/Sylvia Lederer)

Dutch Queen Beatrix waves to the crowd when she tours the exhibition "Eye to Eye with Rembrandt, Rubens and Titian" at the Frans Hals Museum in Haarlem, western Netherlands, March 22, 2013. The Queen announced her abdication two months ago, and the resignation from the throne will take place on April 30.(Xinhua/Sylvia Lederer)