In this Thursday, June 14, 2018, file photo, students wear virtual reality goggles during a science class at Pyongyang Teachers' University, a teacher training college, in Pyongyang, North Korea. (Photo by Dita Alangkara/AP Photo)

A woman walks on the stairs decorated with an image of two hands shaking to form the shape of the Korean Peninsula to support the upcoming inter- Korean summit, in downtown Seoul on September 17, 2018. South Korean President Moon Jae- in will fly to the North Korean capital on September 18, for his third summit with the North' s leader Kim Jong Un as a rapid diplomatic thaw takes hold on the peninsula despite stalled progress in denuclearisation talks between Pyongyang and Washington. (Photo by Jung Yeon-je/AFP Photo)

A couple wearing face masks rides a bicycle at a park in Seoul, South Korea, Saturday, March 7, 2020. The number of infections of the COVID-19 disease spread around the globe. (Photo by Ahn Young-joon/AP Photo)

People visit the Mansu Hill to lay flowers to the bronze statues of late leaders Kim Il Sung and Kim Jong Il on the occasion of the 108th birth anniversary of Kim Il Sung in Pyongyang, North Korea Wednesday, April 15, 2020. (Photo by Alamy Live News)

People pose for photos among a field of cosmos flowers in a car park before high-rise apartment buildings in Goyang, west of Seoul on September 22, 2020. (Photo by Ed Jones/AFP Photo)

In a photo taken on October 7, 2020 a woman holds two dogs as she waits for a train in Suncheon. (Photo by Ed Jones/AFP Photo)

People take a walk among cherry blossoms at a park in Seoul, South Korea on April 6, 2022. (Photo by Kim Hong-Ji/Reuters)

Girls enjoy nice weather at a park in front of the Pothonggang Department Store in central Pyongyang October 11, 2015. (Photo by Damir Sagolj/Reuters)