MUNICH, GERMANY - JUNE 05: Activists have installed balloons decorated with the portraits of (L-R) French President Francois Hollande, Japanese Prime Minister Shinzo Abe, Italian Prime Minister Matteo Renzi, German Chancellor Angela Merkel, Canadian Prime Minister Stephen Harper, US President Barack Obama and British Prime Minister David Cameron during a protest activity against the G7 summit on June 5, 2015 in Munich, Germany. Germany will host the G7 summit at Elmau Castle near Garmisch Partenkirchen, southern Germany, on June 7 and June 8, 2015. (Photo by Joerg Koch/Getty Images)
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