North Korean soldiers participate in a mass military parade at Kim Il-Sung square in Pyongyang on October 10, 2015. North Korea was marking the 70th anniversary of its ruling Workers' Party. (Photo by Ed Jones/AFP Photo)

In this June 17, 2014 photo, a North Korean man takes shelter in the rain next to long propaganda billboards in the town of Samjiyon in North Korea's Ryanggang province. The Associated Press was granted to embark on a weeklong road trip across North Korea to the country’s spiritual summit Mount Paektu. The trip was on North Korea's terms. An AP reporter and photographer couldn't interview ordinary people or wander off course, and government “minders” accompanied them the entire way. (Photo by David Guttenfelder/AP Photo)

This picture taken on September 9, 2021 and released from North Korea's official Korean Central News Agency (KCNA) shows a parade of “paramilitary and public security forces” to celebrate the 73rd founding anniversary of North Korea at Kim Il Sung Square in Pyongyang. (Photo by KCNA via KNS/AFP Photo/Stringer)

In this picture taken on January 5, 2022, people take part in a demonstration march after the Pyongyang City rally to carry out the decision of the 4th Plenary Meeting of the 8th Central Committee of the Workers' Party of Korea, at Kim Il Sung Square in Pyongyang. (Photo by Kim Won Jin/AFP Photo)

This picture taken on April 25, 2022 and released from North Korea's official Korean Central News Agency (KCNA) on April 26 shows a military parade to celebrate the 90th anniversary of the founding of the Korean People's Revolutionary Army at Kim Il Sung Square in Pyongyang. (Photo by KCNA via KNS/AFP Photo)

This picture taken on February 8, 2023 and released from North Korea's official Korean Central News Agency (KCNA) on February 9, 2023 shows jets flying past during a military parade celebrating the 75th anniversary of the founding of the Korean People's Army in Kim Il Sung Square in Pyongyang. (Photo by KCNA via KNS/AFP Photo)

North Korean soldiers wave along the Yalu River, near the North Korean town of Sinuiju, opposite to the Chinese border city of Dandong October 7, 2014. (Photo by Jacky Chen/Reuters)

Visitors look up at mock-ups of dinosaur skeletons inside the Museum of Natural History in Pyongyang on September 28, 2016. (Photo by Ed Jones/AFP Photo)