BERLIN, GERMANY - JUNE 24: Britain's Queen Elizabeth II and German President Joachim Gauck walk during a military welcoming ceremony at Bellevue Palace in Berlin, Germany on June 24, 2015. (Photo by Mehmet Kaman/Anadolu Agency/Getty Images)
BERLIN, GERMANY - JUNE 24: Britain's Queen Elizabeth II and German President Joachim Gauck walk during a military welcoming ceremony at Bellevue Palace in Berlin, Germany on June 24, 2015. (Photo by Mehmet Kaman/Anadolu Agency/Getty Images)