Berlin, Germany - September 17: Exterior view of the Chancellery in front of dark clouds on September 17, 2015 in Berlin, Germany. (Photo by Thomas Trutschel/Photothek via Getty Images)
Berlin, Germany - September 17: Exterior view of the Chancellery in front of dark clouds on September 17, 2015 in Berlin, Germany. (Photo by Thomas Trutschel/Photothek via Getty Images)