BERLIN, GERMANY - MAY 20: Striking members of the GDL train engineers' labor union gather outside Ostbahnhof railway station during the first full day of a railway strike by the GDL on May 20, 2015 in Berlin, Germany. Germany's labor union of train engineers, the GDL, has launched an open-ended, nationwide strike against German state rail carrier Deutsche Bahn that is shutting down approximately two-thirds of national, regional and commuter passenger and freight rail traffic. This is the ninth strike by GDL, though the first open-ended strike, in an ongoing dispute with Deutsche Bahn not only over pay, but also over which Deutsche Bahn employees the GDL may represent. (Photo by Sean Gallup/Getty Images)
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