U.S. President Donald Trump is on a 13-day trip which takes him to Japan, South Korea, China and Vietnam – his longest journey as president.
In Pictures: Trump's Asia Visit

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U.S. first lady Melania Trump, left, and Japanese Prime Minister Shinzo Abe's wife Akie show off calligraphy they wrote as they attend a calligraphy class of the 4th grader at Kyobashi Tsukiji Elementary School in Tokyo, Nov. 6, 2017.

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U.S. President Donald Trump talks with Japan's Emperor Akihito while his wife Melania talks with Empress Michiko at the Imperial Palace in Tokyo, Nov. 6, 2017.

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U.S. President Donald Trump delivers a speech to the U.S. military personnel and members of Japan Defense Forces upon his arrival at the U.S. Yokota Air Base on the outskirts of Tokyo, Nov. 5, 2017.

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President Donald Trump speaks with Japan's Prime Minister Shinzo Abe during a luncheon at the Kasumigaseki Country Club Gold Course in Tokyo, Nov. 5, 2017.