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Japanese Princess Mako (C) is welcomed by Bhutan's Princess Euphelma (L) at Paro International Airport in Paro on June 1, 2017, at the start of her nine-day official visit to Bhutan. Japanese Princess Mako, the oldest of Emperor Akihito's grandchildren, arrived for a nine-day official visit to Bhutan, during which she is expected to meet with Bhutan's King Jigme Khesar Namgyel Wangchuck and Queen Jetsun Pema. / AFP PHOTO / DIPTENDU DUTTA (Photo credit should read DIPTENDU DUTTA/AFP/Getty Images)

Japanese Princess Mako (C) is welcomed by Bhutan's Princess Euphelma (L) at Paro International Airport in Paro on June 1, 2017, at the start of her nine-day official visit to Bhutan. Japanese Princess Mako, the oldest of Emperor Akihito's grandchildren, arrived for a nine-day official visit to Bhutan, during which she is expected to meet with Bhutan's King Jigme Khesar Namgyel Wangchuck and Queen Jetsun Pema. / AFP PHOTO / DIPTENDU DUTTA (Photo credit should read DIPTENDU DUTTA/AFP/Getty Images)
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Japanese Princess Mako (R) is welcomed by Bhutan's Princess Euphelma (L) at Paro International Airport in Paro on June 1, 2017, at the start of her nine-day official visit to Bhutan. Japanese Princess Mako, the oldest of Emperor Akihito's grandchildren, arrived for a nine-day official visit to Bhutan, during which she is expected to meet with Bhutan's King Jigme Khesar Namgyel Wangchuck and Queen Jetsun Pema. / AFP PHOTO / DIPTENDU DUTTA (Photo credit should read DIPTENDU DUTTA/AFP via Getty Images)

Japanese Princess Mako (R) is welcomed by Bhutan's Princess Euphelma (L) at Paro International Airport in Paro on June 1, 2017, at the start of her nine-day official visit to Bhutan. Japanese Princess Mako, the oldest of Emperor Akihito's grandchildren, arrived for a nine-day official visit to Bhutan, during which she is expected to meet with Bhutan's King Jigme Khesar Namgyel Wangchuck and Queen Jetsun Pema. / AFP PHOTO / DIPTENDU DUTTA (Photo credit should read DIPTENDU DUTTA/AFP via Getty Images)
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AFP DIPTENDU DUTTA

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Japanese Princess Mako is welcomed at Paro International Airport in Paro on June 1, 2017, at the start of her nine-day official visit to Bhutan. Japanese Princess Mako, the oldest of Emperor Akihito's grandchildren, arrived for a nine-day official visit to Bhutan, during which she is expected to meet with Bhutan's King Jigme Khesar Namgyel Wangchuck and Queen Jetsun Pema. / AFP PHOTO / DIPTENDU DUTTA (Photo credit should read DIPTENDU DUTTA/AFP via Getty Images)

Japanese Princess Mako is welcomed at Paro International Airport in Paro on June 1, 2017, at the start of her nine-day official visit to Bhutan. Japanese Princess Mako, the oldest of Emperor Akihito's grandchildren, arrived for a nine-day official visit to Bhutan, during which she is expected to meet with Bhutan's King Jigme Khesar Namgyel Wangchuck and Queen Jetsun Pema. / AFP PHOTO / DIPTENDU DUTTA (Photo credit should read DIPTENDU DUTTA/AFP via Getty Images)
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Japanese Princess Mako (C) is welcomed by Bhutanese delegates at a Folk Heritage Museum in Thimpu on June 1, 2017. Japanese Princess Mako, the oldest of Emperor Akihito's grandchildren, is on a nine-day official visit to Bhutan, during which she is expected to meet with Bhutan's King Jigme Khesar Namgyel Wangchuck and Queen Jetsun Pema. / AFP PHOTO / DIPTENDU DUTTA (Photo credit should read DIPTENDU DUTTA/AFP via Getty Images)

Japanese Princess Mako (C) is welcomed by Bhutanese delegates at a Folk Heritage Museum in Thimpu on June 1, 2017. Japanese Princess Mako, the oldest of Emperor Akihito's grandchildren, is on a nine-day official visit to Bhutan, during which she is expected to meet with Bhutan's King Jigme Khesar Namgyel Wangchuck and Queen Jetsun Pema. / AFP PHOTO / DIPTENDU DUTTA (Photo credit should read DIPTENDU DUTTA/AFP via Getty Images)
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AFP DIPTENDU DUTTA

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Japanese Princess Mako (C) is welcomed by Bhutanese delegates at a Folk Heritage Museum in Thimpu on June 1, 2017. Japanese Princess Mako, the oldest of Emperor Akihito's grandchildren, is on a nine-day official visit to Bhutan, during which she is expected to meet with Bhutan's King Jigme Khesar Namgyel Wangchuck and Queen Jetsun Pema. / AFP PHOTO / DIPTENDU DUTTA (Photo credit should read DIPTENDU DUTTA/AFP via Getty Images)

Japanese Princess Mako (C) is welcomed by Bhutanese delegates at a Folk Heritage Museum in Thimpu on June 1, 2017. Japanese Princess Mako, the oldest of Emperor Akihito's grandchildren, is on a nine-day official visit to Bhutan, during which she is expected to meet with Bhutan's King Jigme Khesar Namgyel Wangchuck and Queen Jetsun Pema. / AFP PHOTO / DIPTENDU DUTTA (Photo credit should read DIPTENDU DUTTA/AFP via Getty Images)
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AFP DIPTENDU DUTTA