NAMUR, BELGIUM - JANUARY 31: Prince Philippe of Belgium (L) and Prince Albert II of Monaco (centre R) attend the 1st Interdisciplanary Congress On Sustainable Development at the Palais des Congres on ... more 
NAMUR, BELGIUM - JANUARY 31: Prince Philippe of Belgium (L) and Prince Albert II of Monaco (centre R) attend the 1st Interdisciplanary Congress On Sustainable Development at the Palais des Congres on January 31, 2013 in Namur, Belgium. Topics expected to be covered at the two-day conference, on January 31 and February 1, 2013, include food and agriculture, land use, planning and housing. (Photo by Mark Renders/Getty Images) less 
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Getty Images | Photo By Mark Renders / Getty Images
Thu, Jan 31, 2013 9:56 AM EST