MILAN, ITALY - MAY 01: Anti-EXPO protesters during a demonstration on the first day of the World Exposition Milano 2015 EXPO Opnening on May 1, 2015 in Milan, Italy. Thousands of anti EXPO protesters from all over Europe protested on the opening day and have devastated the city centre for more than two hours. There are more than 3.700 police officers for more than 490 sensitive targets.The Expo will run from 1 May 1 to 31 October. Feeding the Planet, Energy for Life is the core theme of Expo Milano 2015. (Photo by Laura Lezza/Getty Images)
