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The River Mosel which forms the border between Luxembourg and Germany is seen below the Schmitt-Weber vineyard in Perl, Germany, on Thursday, Sept. 29, 2011. Saarland is the birthplace of the European integration project that emerged from World War II and culminated in monetary union and the introduction of euro bank notes nine years ago. Photographer: Chris Ratcliffe/Bloomberg via Getty Images

The River Mosel which forms the border between Luxembourg and Germany is seen below the Schmitt-Weber vineyard in Perl, Germany, on Thursday, Sept. 29, 2011. Saarland is the birthplace of the European integration project that emerged from World War II and culminated in monetary union and the introduction of euro bank notes nine years ago. Photographer: Chris Ratcliffe/Bloomberg via Getty Images