In this October 8, 2015, photo, students watch the traffic as they cross a street in Pyongyang, North Korea. The streets of Pyongyang are more crowded than ever, but Pyonghwa Motors, North Korea's only passenger car company, whose sole factory was designed to produce as many as 10,000 cars a year, appears to be stuck in neutral. (Photo by Charles Dharapak/AP Photo)





In this May 5, 2015 file photo, a man sits in front of portraits of the late North Korean leaders Kim Il Sung, left, and Kim Jong Il, right, as he uses his smartphone in Pyongyang, North Korea. North Koreans have gained greater access to media and devices like cellphones over Kim Jong Un’s five-year rule, with private citizens of the long-isolated, totalitarian country achieving unprecedented connectedness. But their embrace of a state-controlled network has opened the way to unprecedented government censorship and surveillance. (Photo by Wong Maye-E/AP Photo)





Spectators watch figure skaters perform at the Paektusan Prize International Figure Skating Festival in Pyongyang on February 15, 2017. The Paektusan Prize International Figure Skating Festival is held every year to celebrate Kim Jong- Il, the leader who oversaw the North' s first nuclear tests. (Photo by Ed Jones/AFP Photo)





In this photo taken on February 21, 2017, shooting instructor Kim Su- Ryon poses for a portrait at the Meari Shooting Range in Pyongyang Kim is holding a “Paektusan” target pistol, gifted by late North Korean leader Kim Il- Sung. Visitors to the range can pay 10 USD to shoot ten rounds. (Photo by Ed Jones/AFP Photo)





Swimmers perform in a syncronised swimming gala event in Pyongyang on February 15, 2017. The gala was part of a series of events being held to celebrate the birth of late North Korean leader Kim Jong- Il, who oversaw the country' s first nuclear tests. (Photo by Ed Jones/AFP Photo)





In a photo taken on February 7, 2017 a bartender from the Haebangsan hotel performs a cocktail demonstration during a “National Cooking Competition” in Pyongyang. The annual national cooking contest is being held at the “Pyongyang Noodle Shop” and runs until Feb 9. (Photo by Kim Won-Jin/AFP Photo)





A rocket (L) is displayed behind a hostess at a flower show celebrating the 75 th anniversary of the birth of Kim Jong- Il in Pyongyang on February 17, 2017 Around 700,000 people are expected to cram into the exhibition hall in Pyongyang over seven days, and its passages were packed on February 17 as soldiers and civilians made their way past the displays, many in jovial mood. (Photo by Ed Jones/AFP Photo)





A South Korean soldier stands guard as North Korean soldier takes photographs during Australian Foreign Minister Julie Bishop's visits to the truce village of Panmunjom, South Korea, February 18, 2017. (Photo by Lim Byung-sik/Reuters/Yonhap)





U.S. army soldiers stand guard as a North Korean soldier takes photographs during Australian Foreign Minister Julie Bishop's visits to the truce village of Panmunjom, South Korea, February 18, 2017. (Photo by Lim Byung-sik/Reuters/Yonhap)





A North Korean soldier takes photographs during Australian Foreign Minister Julie Bishop's visits to the truce village of Panmunjom, South Korea, February 18, 2017. (Photo by Lim Byung-sik/Reuters/Yonhap)





A young woman poses for a picture next to an ice sculpture at the Pyongyang Ice Sculpture Festival in Kim Il Sung Square on New Year's Eve on December 31, 2016. (Photo by Kim Won-Jin/AFP Photo)





A girl flies a kite as North Koreans come out to mark the start of 2017 on New Year's Day in Pyongyang on January 1, 2017. (Photo by Kim Won-Jin/AFP Photo)





North Koreans bow before statues of former presidents Kim Il-Sung and Kim Jong-Il at the Mansu Hill Grand Monument on New Year's Day in Pyongyang on January 1, 2017. (Photo by Kim Won-Jin/AFP Photo)





People look at a noticeboard after a fireworks display in front of Kim Il-Sung square as they visit an ice festival near the Taedong river, on the occasion of the 75th anniversary of the birth of Kim Jong-Il, in central Pyongyang on February 16, 2017. North Korean newlyweds, soldiers and children lined up to laud their country's rulers on February 16, the birthday of the late Kim Jong-Il, father of both the current leader and the exiled renegade assassinated in Malaysia this week. (Photo by Ed Jones/AFP Photo)





Visitors queue to have their portraits taken at the entrance to a flower show celebrating the 75th anniversary of the birth of Kim Jong-Il in Pyongyang on February 17, 2017. Around 700,000 people are expected to cram into the exhibition hall in Pyongyang over seven days, and its passages were packed on February 17 as soldiers and civilians made their way past the displays, many in jovial mood. (Photo by Ed Jones/AFP Photo)





A child roller-blades before Kim Il-Sung stadium in Pyongyang on February 17, 2017. (Photo by Ed Jones/AFP Photo)





This general view shows a street in southern Pyongyang seen from the landmark Juche tower on February 17, 2017. (Photo by Ed Jones/AFP Photo)





Pedestrians wait for a bus in Pyongyang on February 17, 2017. (Photo by Ed Jones/AFP Photo)





A worker pushes a trolley carrying buckets of silk-worm larvae at the Kim Jong Suk Silk Mill in Pyongyang on February 21, 2017. The Kim Jong Suk Silk Mill employs a workforce of 1,600 people, and is named after the grandmother of current North Korean leader Kim Jong-Un. (Photo by Ed Jones/AFP Photo)





In this December 1, 2015, file photo, a North Korean traffic police officer directs vehicles in Pyongyang, North Korea. (Photo by Wong Maye-E/AP Photo)





North Korean children gather near the Pyongyang Indoor Stadium to play folk games on the first day of the year, on Sunday, January 1, 2017, in Pyongyang North Korea. (Photo by Kim Kwang Hyon/AP Photo)





A man poses for a photo as people watch a fireworks display near the Taedong river, on the occasion of the 75th anniversary of the birth of Kim Jong-Il, in central Pyongyang on February 16, 2017. North Korean newlyweds, soldiers and children lined up to laud their country's rulers on February 16, the birthday of the late Kim Jong-Il, father of both the current leader and the exiled renegade assassinated in Malaysia this week. (Photo by Ed Jones/AFP Photo)





People watch a fireworks display as they visit an ice festival near the Taedong river, on the occasion of the 75th anniversary of the birth of Kim Jong-Il, in central Pyongyang on February 16, 2017. (Photo by Ed Jones/AFP Photo)





A man talks on a mobile phone after a fireworks display in front of Kim Il-Sung square, and next to an ice festival near the Taedong river, on the occasion of the 75th anniversary of the birth of Kim Jong-Il, in central Pyongyang on February 16, 2017. (Photo by Ed Jones/AFP Photo)





People watch a fireworks display as they visit an ice festival near the Taedong river, on the occasion of the 75th anniversary of the birth of Kim Jong-Il, in central Pyongyang on February 16, 2017. (Photo by Ed Jones/AFP Photo)





A photograph released by the North Korean Central News Agency (KCNA) on 16 February 2017 shows North Korean leader Kim Jong-un (C) during a national meeting to celebrate the 75th birth anniversary of late leader Kim Jong Il, known as the Day of the Shining Star, to pay tribute to him, in Pyongyang, North Korea, 15 February 2017. (Photo by EPA/KCNA)





Children carry flowers as they visit the statues of late North Korean leaders Kim Il-Sung and Kim Jong-Il to pay their respects on the occasion of the 75th anniversary of the birth of Kim Jong-Il, at Mansudae hill in Pyongyang on February 16, 2017. (Photo by Ed Jones/AFP Photo)





A woman carries flowers during a visit to the statues of late North Korean leaders Kim Il-Sung and Kim Jong-Il to pay their respects on the occasion of the 75th anniversary of the birth of Kim Jong-Il, at Mansudae hill in Pyongyang on February 16, 2017. (Photo by Ed Jones/AFP Photo)





In this December 11, 2016 photo, residents pass by the towering Ryugyong Hotel in Pyongyang, North Korea. Thirty years after work began on what was then one of the tallest hotel projects ever attempted, the inside of the structure has yet to be completed and mystery swirls over whether it ever will ever open for guests. (Photo by Eric Talmadge/AP Photo)