Japan's Emperor Akihito (2nd L) and Empress Michiko (2nd R) arrive for a meeting with Japanese volunteers from the Japanese International Cooperation Agency (JICA) in the central city of Hue, Vietnam's former imperial city, on March 4, 2017. Japanese emperor Akihito and his wife, Michiko, are on their first visit to Vietnam, the latest in a series of trips to former battlegrounds. / AFP PHOTO / POOL / HOANG DINH NAM (Photo credit should read HOANG DINH NAM/AFP/Getty Images)
Japan's Emperor Akihito (C) and Empress Michiko ( R) are offered drinks during a meeting with Japanese volunteers from the Japanese International Cooperation Agency (JICA) in the central city of Hue, Vietnam's former imperial city, on March 4, 2017. Japanese emperor Akihito and his wife, Michiko, are on their first visit to Vietnam, the latest in a series of trips to former battlegrounds. / AFP PHOTO / POOL / HOANG DINH NAM (Photo credit should read HOANG DINH NAM/AFP/Getty Images)
Japan's Emperor Akihito (centre R) and Empress Michiko (centre L) chat with Japanese volunteers from the Japanese International Cooperation Agency (JICA) in the central city of Hue, Vietnam's former imperial city, on March 4, 2017. Japanese emperor Akihito and his wife, Michiko, are on their first visit to Vietnam, the latest in a series of trips to former battlegrounds. / AFP PHOTO / POOL / HOANG DINH NAM (Photo credit should read HOANG DINH NAM/AFP/Getty Images)
Japan's Empress Michiko (R) chats with Japanese volunteers from the Japanese International Cooperation Agency (JICA) in the central city of Hue, Vietnam's former imperial city, on March 4, 2017. Japanese emperor Akihito and his wife, Michiko, are on their first visit to Vietnam, the latest in a series of trips to former battlegrounds. / AFP PHOTO / POOL / HOANG DINH NAM (Photo credit should read HOANG DINH NAM/AFP/Getty Images)
