TEXT: Workers wait for the arrival of Italian Prime Minister Matteo Renzi for a visit at the construction site of the Universal Exhibition 2015 (Expo Milano 2015 or World Exposition 2015) in Milan on March 13, 2015. The exhibition will run from May 1st, 2015 to October 31, 2015 on the theme Feeding the Planet, Energy for Life. The fair focuses on food security, sustainable agricultural practices, nutrition and battling hunger - as well as on dishing out the best fare of the world's culinary cultures.  Photo: GIUSEPPE CACACE/AFP/Getty Images.