Japanese Emperor Akihito (2nd R) says good bye to Prince Akishino (C) and Crown Prince Naruhito (L) as Prime Minister Shinzo Abe (R) looks on before departing to Palau at the Tokyo International Airport on April 8, 2015. The Japanese royal couple will visit Palau to pay homage to victims of World War II to mark the 70th anniversary of the end of the war. AFP PHOTO / POOL / Yoshikazu TSUNO (Photo by YOSHIKAZU TSUNO / POOL / AFP)        (Photo credit should read YOSHIKAZU TSUNO/AFP via Getty Images)