BERLIN, GERMANY - JUNE 24: Queen Elizabeth II watches robots in action at Berlin's University of Technology on the second day of a four day State Visit on June 24, 2015 in Berlin, Germany. (Photo by Arthur Edwards - Pool/ Getty Images)
BERLIN, GERMANY - JUNE 24: Queen Elizabeth II watches robots in action at Berlin's University of Technology on the second day of a four day State Visit on June 24, 2015 in Berlin, Germany. (Photo by Arthur Edwards - Pool/ Getty Images)