Ranking DPRK delegation returns to home country

South Korean Prime Minister Lee Nak-yon (C) poses for a photo with Kim Yong Nam (3rd L), president of the Presidium of the Supreme People's Assembly of the Democratic People's Republic of Korea (DPRK), and Kim Yo Jong (3rd R), the younger sister of top DPRK leader Kim Jong Un, in Seoul, capital of South Korea, on Feb. 11, 2018.

South Korean President Moon Jae-in (3rd R) meets with a high-ranking delegation of the Democratic People's Republic of Korea (DPRK), led by Kim Yong Nam (3rd L), president of the Presidium of the Supreme People's Assembly, at the Blue House in Seoul, capital of South Korea, on Feb. 10, 2018.

South Korean President Moon Jae-in (front C) walks with Kim Yong Nam (front L), president of the Presidium of the Supreme People's Assembly of the Democratic People's Republic of Korea (DPRK), and Kim Yo Jong (front R), the younger sister of top DPRK leader Kim Jong Un, at the Blue House in Seoul, capital of South Korea, on Feb. 10, 2018.

South Korean President Moon Jae-in (3rd R), Kim Yong Nam (5th R), president of the Presidium of the Supreme People's Assembly of the Democratic People's Republic of Korea (DPRK), and Kim Yo Jong (4th R), the younger sister of top DPRK leader Kim Jong Un who serves as the first vice director of the Central Committee of the ruling Workers' Party of Korea, watch a concert performed by a 140-member DPRK art troupe in Seoul, South Korea, Feb. 11, 2018.

South Korean President Moon Jae-in (1st R front), Kim Yong Nam (1st R front), president of the Presidium of the Supreme People's Assembly of the Democratic People's Republic of Korea (DPRK), Kim Yo Jong (2nd R front), the younger sister of top DPRK leader Kim Jong Un who serves as the first vice director of the Central Committee of the ruling Workers' Party of Korea, and Hyon Song wol (2nd L front), head of the Samjiyon Orchestra of DPRK, celebrate the success of a concert performed by a 140-member DPRK art troupe in Seoul, South Korea, Feb. 11, 2018