Women hold bags and signs that read: "Same pay for same work" at a rally for equal pay in Berlin, Germany, 2015.

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Women hold bags and signs that read: "Same pay for same work" at a rally for equal pay in Berlin, Germany, 2015.
Women hold bags and signs that read: "Same pay for same work" at a rally for equal pay in Berlin, Germany, 2015.
Credit: Sean Gallup/Getty Images