South Korea's President Moon Jae-in speaks during a press conference at the presidential Blue House in Seoul on May 27, 2018. - North Korea's leader Kim Jong Un believes a summit with US President Donald Trump will be a landmark opportunity to end decades of confrontation, South Korea's President Moon Jae-in said on May 27, following his surprise meeting with Kim. (Photo by Jung Yeon-je / AFP)        (Photo credit should read JUNG YEON-JE/AFP/Getty Images)
S. Korea: N. Korea committed to denuclearization
South Korean President Moon Jae-in said North Korean leader Kim Jong Un remains committed to denuclearization and an end to the Korean War after a surprise meeting between the two leaders.
01:55 - Source: CNN
North-South Koreas Summit 12 videos
South Korea's President Moon Jae-in speaks during a press conference at the presidential Blue House in Seoul on May 27, 2018. - North Korea's leader Kim Jong Un believes a summit with US President Donald Trump will be a landmark opportunity to end decades of confrontation, South Korea's President Moon Jae-in said on May 27, following his surprise meeting with Kim. (Photo by Jung Yeon-je / AFP)        (Photo credit should read JUNG YEON-JE/AFP/Getty Images)
S. Korea: N. Korea committed to denuclearization
01:55
Now playing
- Source: CNN
A handout photo shows South Korean President Moon Jae-in and North Korean leader Kim Jong Un visiting Mount Paektu.
Watch: Key moments from North and South Korea summit
01:53
Now playing
- Source: CNN
North Korean leader Kim Jong Un, left, and South Korean President Moon Jae-in embrace each other after signing on a joint statement at the border village of Panmunjom in the Demilitarized Zone, South Korea, Friday, April 27, 2018. (Korea Summit Press Pool via AP)
How did Korea split?
01:25
Now playing
- Source: CNN
north korea kim jong un video
Will Kim Jong Un ever give up his nukes?
03:00
Now playing
- Source: CNN
kim digital video 2
What's bringing Kim Jong Un to the table
02:27
Now playing
- Source: CNN
who is kim jong un orig tease 1
Kim Jong Un: From global pariah to the man to meet
01:51
Now playing
- Source: CNN
moon jae-in the master dealmaker
Moon: The masterful dealmaker
02:31
Now playing
- Source: CNN
korea art 1
Finding art on the edge of the DMZ
03:06
Now playing
- Source: CNN
This picture from North Korea's official Korean Central News Agency (KCNA) taken on March 27, 2018 and released on March 28, 2018 shows China's President Xi Jinping (R) shaking hands with North Korean leader Kim Jong Un in Beijing.
North Korean leader Kim Jong Un was treated to a lavish welcome by Chinese President Xi Jinping during a secretive trip to Beijing as both sides seek to repair frayed ties ahead of landmark summits with Seoul and Washington.  / AFP PHOTO / KCNA VIA KNS / - / South Korea OUT / REPUBLIC OF KOREA OUT   ---EDITORS NOTE--- RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO/KCNA VIA KNS" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS
THIS PICTURE WAS MADE AVAILABLE BY A THIRD PARTY. AFP CAN NOT INDEPENDENTLY VERIFY THE AUTHENTICITY, LOCATION, DATE AND CONTENT OF THIS IMAGE. THIS PHOTO IS DISTRIBUTED EXACTLY AS RECEIVED BY AFP.  /         (Photo credit should read -/AFP/Getty Images)
How close are China and North Korea?
02:08
Now playing
- Source: CNN
PANMUNJOM, SOUTH KOREA - SEPTEMBER 29:  (SOUTH KOREA OUT)  In this handout photo from Chosun Daily News, a North Korean Soldier (R) looks at South Korean soldier at the border village of Panmunjom between North and South Korea on September 29, 2010 in Panmunjom, South Korea. The two Koreas plan to hold military talks in Panmunjom in an attempt to ease tensions between the countries. The mooted talks come in the wake of speculation over the succession of leader Kim Jong-il by his son Kim Jongun. (Photo by Lee Tae-Kyung/Getty Images)
Truce Village: Where two Koreas face off
01:09
Now playing
- Source: CNN
PYEONGCHANG-GUN, SOUTH KOREA - FEBRUARY 09:  (EDITORS NOTE: Alternate crop of #916122914) Kim Yo Jong, sister of North Korean leader Kim Jong Un, arrives at the opening ceremony of the PyeongChang 2018 Winter Olympic Games at PyeongChang Olympic Stadium on February 9, 2018 in Pyeongchang-gun, South Korea.  (Photo by Patrick Semansky - Pool /Getty Images)
Everything we know about Kim Jong Un's sister
01:10
Now playing
- Source: CNN
10 korea summit 0426
The moment Kim Jong Un crossed to the South
01:15
Now playing
- Source: CNN