German Der Spiegel Magazine Ahead Of British EU Referendum Vote [Getty Images]

Copies of German magazine Der Spiegel featuring the headline 'Please don't go!' and a British Union flag illustration on the cover sit on a rack inside a newsagents store in Berlin, Germany, on Saturday, June 18, 2016. The campaigns for and against keeping the U.K. in the European Union laid out opposing visions of life outside the bloc as dueling ahead of next week's referendum enters its final stretch. Photographer: Krisztian Bocsi/Bloomberg via Getty Images

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