In this Friday, May 1, 2020, photo provided by the North Korean government, North Korean leader Kim Jong Un, center, cuts a tape, watched by his sister Kim Yo Jong, during his visit to a fertilizer factory in Sunchon, South Pyongan province, near Pyongyang, North Korea. Kim made his first public appearance in 20 days as he celebrated the completion of the fertilizer factory, state media said Saturday, May 2, 2020, ending an absence that had triggered global rumors that he may be seriously ill. Independent journalists were not given access to cover the event depicted in this image distributed by the North Korean government. The content of this image is as provided and cannot be independently verified. Korean language watermark on image as provided by source reads: “KCNA” which is the abbreviation for Korean Central News Agency. (Photo by Korean Central News Agency/Korea News Service via AP Photo)





In this April 1, 2020, file photo, pedestrians wear face masks to help prevent the spread of the new coronavirus in Pyongyang, North Korea. North Korea says it has zero coronavirus infections, but experts doubt it and say it’s likely the virus has already spread in the country. (Photo by Cha Song Ho/AP Photo/File)





In this Friday, February 28, 2020, file photo provided on Feb. 29, 2020 by the North Korean government, North Korean leader Kim Jong Un, center, inspects the military drill of units of the Korean People's Army, with soldiers shown wearing face masks. South Korea’s military says North Korea has fired at least one unidentified projectile. The launch on Monday, March 2, 2020 came two days North Korea’s state media said leader Kim supervised an artillery drill aimed at testing the combat readiness of units in front-line and eastern areas. Independent journalists were not given access to cover the event depicted in this image distributed by the North Korean government. The content of this image is as provided and cannot be independently verified. Korean language watermark on image as provided by source reads: “KCNA” which is the abbreviation for Korean Central News Agency. (Photo by Korean Central News Agency/Korea News Service via AP Photo/File)





People play in the snow at the Yangdok Hot Spring Resort, North Korea, in this undated photo released on January 14, 2020 by North Korea's Korean Central News Agency (KCNA). (Photo by KCNA via Reuters)





In a photo taken on December 17, 2019 Korean People's Army (KPA) soldiers hold flowers as they pay their respects before a statue of late North Korean leader Kim Jong Il, on the anniversary of his death, at Mansu Hill in Pyongyang. (Photo by Kim Won Jin/AFP Photo)





North Koreans bows in front of the bronze statues of their late leaders Kim Il Sung, left, and Kim Jong Il at the Mansudae Art Studio in Pyongyang, North Korea, Tuesday, December 17, 2019. North Koreans mark the eighth death anniversary of Kim Jong Il with usual floral offerings at the foot of the giant statues of the late leader. (Photo by Cha Song Ho/AP Photo)





Students wearing a face mask have their temperature checked as a precaution against a new coronavirus as their university reopened following vacation, at Kim Chaek University of Technology in Pyongyang, Wednesday, April 22, 2020. (Photo by Jon Chol Jin/AP Photo)





People in a park watch news broadcasted on a giant screen showing leader Kim Jong Un attending the opening ceremony of the Sunchon Phosphatic Fertilizer Factory Saturday, May, 2nd. 2020, in Pyongyang, North Korea. Un made his first public appearance in 20 days as he celebrated the completion of a fertilizer factory near Pyongyang, state media said Saturday, ending an absence that had triggered global rumors that he may be seriously ill. (Photo by Jon Chol Jin/AP Photo)





People in a park wearing masks watch news broadcasted on a giant screen showing leader Kim Jong Un attending the opening ceremony of the Sunchon Phosphatic Fertilizer Factory Saturday, May, 2nd. 2020, in Pyongyang, North Korea. (Photo by Jon Chol Jin/AP Photo)





In this Monday, Dec. 2, 2019, photo provided Tuesday, December 3, 2019, by the North Korean government, people dance to celebrate the completion of Samjiyon city. On Monday, North Korean leader Kim Jong Un visited Samjiyon county at the foot of Mount Paektu to attend a ceremony marking the completion of work that has transformed the town to “an epitome of modern civilization”, KCNA said. It said the town has a museum on the Kim family, a ski slope, cultural centers, a school, a hospital and factories. Independent journalists were not given access to cover the event depicted in this image distributed by the North Korean government. The content of this image is as provided and cannot be independently verified. Korean language watermark on image as provided by source reads: “KCNA” which is the abbreviation for Korean Central News Agency. (Photo by Korean Central News Agency/Korea News Service via AP Photo)





In this November 26, 2019, photo, a man looks at a photo of the launch of a missile hanging on the wall of a factory workers' dormitory in Pyongyang, North Korea. Fears rise that North Korea's year-end deadline to the U.S. to offer some new initiative to the nuclear-standoff means that nearly two years of head-spinning diplomatic engagement might be in danger of falling apart. Sign in Korean reads; “Highest level”. (Photo by Dita Alangkara/AP Photo)





Locals participate in a public dance on the 28th anniversary of the start of Chairman Kim Jong Il's leadership of the Korean People's Army at the Monument to Party Founding in Pyongyang, North Korea, Tuesday, December 24, 2019. (Photo by Jon Chol Jin/AP Photo)





In this photo provided by the North Korean government, North Korean leader Kim Jong Un inspects military exercise at an undisclosed location in North Korea on Saturday, March 21, 2020. Independent journalists were not given access to cover the event depicted in this image distributed by the North Korean government. The content of this image is as provided and cannot be independently verified. Korean language watermark on image as provided by source reads: “KCNA” which is the abbreviation for Korean Central News Agency. (Photo by Korean Central News Agency/Korea News Service via AP Photo)





Students wearing face mask attend the class as their university reopened following vacation, at Kim Chaek University of Technology in Pyongyang, Wednesday, April 22, 2020. (Photo by Jon Chol Jin/AP Photo)





In this Friday, February 28, 2020, photo, clerks disinfect checkout counters at a department store amid growing concern over the coronavirus outbreak in Pyongyang, North Korea. North Korean leader Kim Jong Un has called for stronger anti-virus efforts to guard against COVID-19, saying there will be “serious consequences” if the illness spreads to the country. (Photo by Kyodo News via AP Photo)





A photo released by the official North Korean Central News Agency (KCNA) shows a health worker speaking to people about the Covid-19 and coronavirus, in Pyongyang, Democratic People's Republic of Korea, 15 February 2020. (Photo by KCNA/EPA/EFE)





A health worker takes the temperature of a woman amid concerns over the COVID-19 coronavirus, at an entrance of the Pyongchon District People's Hospital in Pyongyang on April 1, 2020. (Photo by Kim Won Jin/AFP Photo)





People wearing face masks leave after laying flowers before the statues of late North Korean leaders Kim Il Sung and Kim Jong Il on the occasion of the 108th birthday of late North Korean leader Kim Il Sung, known as the “Day of the Sun”, in Pyongyang on April 15, 2020. (Photo by Kim Won Jin/AFP Photo)





People wearing face masks walk across a street before the Ryugyong hotel (back C) on the occasion of the 108th birthday of late North Korean leader Kim Il Sung, known as the “Day of the Sun”, in Pyongyang on April 15, 2020. (Photo by Kim Won Jin/AFP 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 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)