A campaigner wears a T-shirt bearing the slogan "I'm Turning My Back On The EU" as he attends an Anti-EU (European Union) United Kingdom Independence Party (UKIP) pro-Brexit campaign event, ahead of the forthcoming referendum, in Birmingham, central England, on May 31, 2016.
Politicians and world leaders have dominated the headlines in the campaign for Britain's Jun 23, 2016 EU referendum, but a passionate battle for the country's future is also being fought by activists on the streets. / AFP PHOTO / PAUL ELLIS        (Photo credit should read PAUL ELLIS/AFP via Getty Images)