EISENACH, GERMANY - FEBRUARY 07: King Willem-Alexander and Queen Maxima of the Netherlands visit the Wartburg Castle in Thuringia - Day 1 on February 7, 2017 in Eisenach, Germany. The royal couple will pay a working visiting to the German Bundeslaender Thuringia, Saxony and Saxony-Anhalt in order to deepen trade and investment relations and promote cooperation in high-tech systems, chemicals and flood protection sectors. (Photo by Franziska Krug/Getty Images)
