Workers pack boxes at Amazon's logistics centre in Graben near Augsburg on December 16. Workers at Amazon.com's German operations were set to go on strike on Monday, in the middle of the crucial Christmas holiday season, in a dispute over pay that has been raging for months. The Verdi union said workers would strike in Amazon's logistic centres in Bad Hersfeld and Leipzig and, for the first time, in Graben. Reuters/Michaela Rehle