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MILAN, ITALY - MAY 01: An anti-EXPO protester destroys a bank on the first day of the World Exposition Milano 2015 EXPO on May 1, 2015 in Milan, Italy. Anti-EXPO protesters from all over Europe protested on the opening day, devastating the city centre for more than two hours. There were approximately 3.700 police officers for more than 490 sensitive targets.The Expo will run from May 1st through October 31st. Feeding the Planet, Energy for Life is the core theme of Expo Milano 2015. (Photo by Laura Lezza/Getty Images)

MILAN, ITALY - MAY 01: An anti-EXPO protester destroys a bank on the first day of the World Exposition Milano 2015 EXPO on May 1, 2015 in Milan, Italy. Anti-EXPO protesters from all over Europe protested on the opening day, devastating the city centre for more than two hours. There were approximately 3.700 police officers for more than 490 sensitive targets.The Expo will run from May 1st through October 31st. Feeding the Planet, Energy for Life is the core theme of Expo Milano 2015. (Photo by Laura Lezza/Getty Images)