Trump becomes the first sitting U.S. president to enter North Korea
President Trump walks toward the Military Demarcation Line that divides North and South Korea.
(Brendan Smialowski / AFP/Getty Images)North Korean leader Kim Jong Un and President Trump walk together south of the Military Demarcation Line.
(Brendan Smialowski / AFP/Getty Images)North Korean leader Kim Jong Un and President Trump shake hands Sunday during a meeting on the south side of the Military Demarcation Line.
(Brendan Smialowski / AFP/Getty Images)Ivanka Trump and Jared Kushner, advisors to the president, south of the Military Demarcation Line.
(Brendan Smialowski / AFP/Getty Images)President Trump speaks to U.S. service members stationed at Osan Air Base in South Korea after his meeting with Kim Jong Un.
(Brendan Smialowski / AFP/Getty Images)U.S. service members stationed at Osan Air Base in South Korea cheer President Trump after his meeting with North Korean leader Kim Jong Un.
(Brendan Smialowski / AFP/Getty Images)South Koreans at the Seoul Railway Station watch news of the Trump-Kim meeting Sunday.
(Chung Sung-Jun / Getty Images)