BERLIN, GERMANY - SEPTEMBER 09: Georg Friedrich Ferdinand Prince of Prussia and his wife Princess Sophie of Prussia attend a reception at the Berlin State Parliament building 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, during which she will open an exhibition about the Vikings at Martin-Gropius-Bau. (Photo by Andreas Rentz/Getty Images)
