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A Deutsche Bahn AG employee wears a bright red cap, which forms part of his uniform, as he stands on the railway platform at the central railway station in Frankfurt, Germany, on Friday, Nov. 7, 2014. German train drivers are due to end their strike on Saturday evening, Nov. 8, two days earlier than first planned, after crippling rail travel across the country. Photographer: Martin Leissl/Bloomberg via Getty Images

A Deutsche Bahn AG employee wears a bright red cap, which forms part of his uniform, as he stands on the railway platform at the central railway station in Frankfurt, Germany, on Friday, Nov. 7, 2014. German train drivers are due to end their strike on Saturday evening, Nov. 8, two days earlier than first planned, after crippling rail travel across the country. Photographer: Martin Leissl/Bloomberg via Getty Images