In pictures: Forbes rich list 2013

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(FILES)Mexican tycoon Carlos Slim waves in this February 13, 2013 photo during the inauguration International Maize and Wheat Improvement Center (CIMMYT) --which was built with funds from their foundations --in Texcoco, Mexico State, Mexico. Spain's Amancio Ortega, the co-founder of the Inditex fashion group, leapt over Warren Buffett and France's Bernard Arnault to become the world's third richest person on Forbes' 2013 annual ranking of billionaires, with an estimated net worth of $57 billion. Mexico's Carlos Slim, who has taken a hit from the slump in the share price of his America Movil telecoms group since the list was calculated as of Febraury 14, remained the richest person with a fortune of $73 billion, and Microsoft co-founder Bill Gates held on to the No. 2 spot with a net worth of $67 billion.AFP PHOTO/Ronaldo Schemidt *** Local Caption *** 618055-01-08.jpg