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Spain's King Felipe (2nd L) and Queen Letizia (L) and Japan's Emperor Akihito (3rd L) and Empress Michiko (4th L) inspect an earthquake disaster prevention center in Shizuoka on April 7, 2017. - The Spanish royal couple is on a four-day state visit to Japan. (Photo by KAZUHIRO NOGI / POOL / AFP) (Photo credit should read KAZUHIRO NOGI/AFP/Getty Images)

Spain's King Felipe (2nd L) and Queen Letizia (L) and Japan's Emperor Akihito (3rd L) and Empress Michiko (4th L) inspect an earthquake disaster prevention center in Shizuoka on April 7, 2017. - The Spanish royal couple is on a four-day state visit to Japan. (Photo by KAZUHIRO NOGI / POOL / AFP)        (Photo credit should read KAZUHIRO NOGI/AFP/Getty Images)

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(L-R) Spain's King Felipe, Queen Letizia, Japan's Emperor Akihito and Empress Michiko visit an earthquake disaster prevention center in Shizuoka on April 7, 2017. The Spanish royal couple is on a four-day state visit to Japan. / AFP PHOTO / POOL / TORU HANAI (Photo credit should read TORU HANAI/AFP/Getty Images)

(L-R) Spain's King Felipe, Queen Letizia, Japan's Emperor Akihito and Empress Michiko visit an earthquake disaster prevention center in Shizuoka on April 7, 2017.
The Spanish royal couple is on a four-day state visit to Japan. / AFP PHOTO / POOL / TORU HANAI        (Photo credit should read TORU HANAI/AFP/Getty Images)

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(L-R) Spain's King Felipe, Queen Letizia, Japan's Emperor Akihito and Empress Michiko visit an earthquake disaster prevention center in Shizuoka on April 7, 2017. The Spanish royal couple is on a four-day state visit to Japan. / AFP PHOTO / POOL / TORU HANAI (Photo credit should read TORU HANAI/AFP/Getty Images)

(L-R) Spain's King Felipe, Queen Letizia, Japan's Emperor Akihito and Empress Michiko visit an earthquake disaster prevention center in Shizuoka on April 7, 2017.
The Spanish royal couple is on a four-day state visit to Japan. / AFP PHOTO / POOL / TORU HANAI        (Photo credit should read TORU HANAI/AFP/Getty Images)