King Willem-Alexander And Queen Maxima Of The Netherlands Visit Lower-Saxony [Getty Images]

OLDENBURG, GERMANY - MAY 26: (L-R) Dutch King Willem-Alexander and Dutch Queen Maxima talk to the institute's director Carsten Agert during their visit of the EWE research center's laboratory 'Next Energy' on May 26, 2014 in Oldenburg, Germany. (Photo by Ingo Wagner-Pool/Getty Images)

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