BERLIN, GERMANY - SEPTEMBER 09:  Queen Margrethe II of Denmark (C), German President Joachim Gauck (R) and German First Lady Daniela Schadt arrive for a dinner at Bellevue Palace after Queen Margrethe II of Denmark opened an exhibition about the Vikings at Martin-Gropius-Bauon September 9, 2014 in Berlin, Germany. Queen Margrethe is in Berlin on a two-day visit. (Photo by Andreas Rentz/Getty Images)