The 2015 Universal Exposition, better known as Expo 2015
, starts in Milan, Italy, on May 1st. The theme is "Feeding the planet, Energy for life."
Addressing the challenges of food security, access to nutrition, and sustainability are the 145 participating countries, each having a chance to showcase its projects and culinary culture in custom-built pavilions.
Browse the gallery to see the most interesting designs from the exposition, which runs through October 31st.