The Queen And Duke Of Edinburgh Welcome President Santos Of Colombia And Mrs Santos [Getty Images]

LONDON, UNITED KINGDOM - NOVEMBER 01: Queen Elizabeth II and Prince Philip, Duke of Edinburgh flank Colombia's President Juan Manuel Santos and his wife Maria Clemencia de Santos during a ceremonial welcome for Colombia's President Juan Manuel Santos and his wife Maria Clemencia de Santos at Horse Guards Parade on November 1, 2016 in London, England. The President is on a state visit to Britain. (Photo by Stefan Wermuth - WPA Pool/Getty Images)

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