North Korean leader Kim Jong-un attending a wreath laying ceremony at the Ho Chi Minh mausoleum on March 2, 2019 in Hanoi, Vietnam. North Korean leader Kim Jong-un met with Vietnamese President Nguyen Phu Trong and Prime Minister Nguyen Xuan Phuc during his two-day official visit following a failed summit with U.S. President Donald Trump in Hanoi which ended without an agreement made. (Dien Bien/Getty Images)
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