Japan's royal family members, Crown Prime Naruhito (L), Crown Princess Masako (2nd L), Prince Akishino (3rd L) and Princess Kiko (R) see off Emperor Akihito and Empress Michiko as they lave for Vietnam from Tokyo's Haneda Airport on February 28, 2017. Japan's emperor left for Vietnam on February 28 to meet families of Japanese soldiers sent there by his father more than seven decades earlier during World War II. / AFP / Kazuhiro NOGI (Photo credit should read KAZUHIRO NOGI/AFP/Getty Images)
Japan's Princess Mako (R) and Princess Kako (L), daughters Japan's Prince Akishino and Princess Kiko, see off Emperor Akihito and Empress Michiko as they leave for Vietnam from Tokyo's Haneda Airport on February 28, 2017. Japan's emperor left for Vietnam on February 28 to meet families of Japanese soldiers sent there by his father more than seven decades earlier during World War II. / AFP / Kazuhiro NOGI (Photo credit should read KAZUHIRO NOGI/AFP/Getty Images)
Japanese Crown Prince Naruhito (R) and Crown Princess Masako (L) see off Emperor Akihito and Empress Michiko leaving for Vietnam from Tokyo's Haneda Airport on February 28, 2017. Japan's emperor and empress departed February 28 for their first trip to Vietnam to meet families of former Japanese soldiers to help heal wounds left over from its occupation of the country during World War II. The royal couple are scheduled to visit Hanoi and Hue before travelling to Thailand, according to the Imperial Household Agency. / AFP / KAZUHIRO NOGI (Photo credit should read KAZUHIRO NOGI/AFP/Getty Images)
Japanese Emperor Akihito (L) and Empress Michiko (2nd L) leave for Vietnam as Crown Prince Naruhito (2nd R) and Crown Princess Masako (R) see them off at Tokyo's Haneda Airport on February 28, 2017. - Japan's emperor and empress departed February 28 for their first trip to Vietnam to meet families of former Japanese soldiers to help heal wounds left over from its occupation of the country during World War II. The royal couple are scheduled to visit Hanoi and Hue before travelling to Thailand, according to the Imperial Household Agency. (Photo by KAZUHIRO NOGI / AFP) (Photo credit should read KAZUHIRO NOGI/AFP/Getty Images)
Japan's Crown Prince Naruhito and Crown Princess Masako see off Emperor Akihito and Empress Michiko as they leave for Vietnam from Tokyo's Haneda Airport on February 28, 2017. Japan's emperor left for Vietnam on February 28 to meet families of Japanese soldiers sent there by his father more than seven decades earlier during World War II. / AFP / Kazuhiro NOGI (Photo credit should read KAZUHIRO NOGI/AFP/Getty Images)
