Australia's Governor-General Peter Cosgrove (R) receives Dutch King Willem-Alexander (C) and Queen Maxima at Government House in Canberra on November 2, 2016. The Dutch royals are in Australia to mark the 400th anniversary of explorer Dirk Hartog's landing in Western Australia and the unveiling of Hartog's plate, which is the oldest existing relic of European exploration in Australia. / AFP / POOL / Jason Reed (Photo credit should read JASON REED/AFP/Getty Images)
SYDNEY, AUSTRALIA - NOVEMBER 02: King Willem-Alexander and Queen Maxima pose for a photograph as they arrive to a concert at the Opera House on November 02, 2016 in Sydney, Australia. The Dutch King and Queen are in Australia to commemorate the 400th anniversary of the landing of Dutch explorer Dirk Hartog in Western Australia. (Photo by David Moir - Pool/Getty Images)
Colombia's First Lady Maria Clemencia Rodriguez (R) walks with Britain's Sophie, Countess of Wessex, as they arrive for a visit to the Vanessa Nursery School and Cathnor Park Children's Centre, founded by British actress Vansessa Redgrave, in London on November 2, 2016, on the second day of the President and the First Lady's State Visit. Colombia's President Juan Manuel Santos will hold talks with Prime Minister Theresa May at Downing Street on Wednesday, before heading to Belfast on Thursday to meet key figures from the Northern Ireland peace process. / AFP / POOL / Dominic Lipinski (Photo credit should read DOMINIC LIPINSKI/AFP/Getty Images)
Japan's Emperor Akihito and Empress Michiko leave before a vigil of Prince Mikasa at Prince Mikasa's residence in Tokyo on November 2, 2016. - The Imperial Household Agency announced on October 27, 2016, that Prince Mikasa died in the morning opf that day at a hospital in Tokyo. (Photo by Shizuo Kambayashi / POOL / AFP) (Photo credit should read SHIZUO KAMBAYASHI/AFP/Getty Images)
LONDON, UNITED KINGDOM - NOVEMBER 01: Queen Elizabeth II and Colombia's president Juan Manuel Santos attend a State Banquet at Buckingham Palace on November 1, 2016, in London, England. The President of the Republic of Colombia Juan Manuel Santos and his wife Maria Clemencia Rodriguez de Santos are paying their first State Visit to the UK as official guests of Queen Elizabeth. (photo by Dominic Lipinski - WPA Pool/Getty Images)
