Pak Chol of North Korea leads the Pyongyang marathon as supporters cheer for him from the side of the street on Sunday, April 9, 2017, in Pyongyang, North Korea. Hundreds of foreigners took to the streets of Pyongyang on Sunday for an annual marathon that has become one of the North Korean capital's most popular tourist events. (Photo by Wong Maye-E/AP Photo)





Members of a propaganda troupe perform in a public square in Pyongyang on April 12, 2017. (Photo by Ed Jones/AFP Photo)





North Koreans cheer as their country's women's soccer team competes against South Korea in a qualifying soccer match for the Asian Football Confederation Cup at the Kim Il Sung Stadium on Friday, April 7, 2017, in Pyongyang, North Korea. (Photo by Jon Chol Jin/AP Photo)





North Korean students take part in a mass dance event in Pyongyang on April 9, 2017 The event was held to mark the election of late North Korean leader Kim Jong- Il' s “election to the National Defence Committee” in 1993. Mass dance events are frequently held on anniversaries and dates of importance on the North Korean calendar, and are a regular fixture on tourist itineraries. (Photo by Ed Jones/AFP Photo)





North Korean farmers work in a field as a section of the Great Wall is seen on the Chinese side of the Yalu River, north of the town of Sinuiju in North Korea and Dandong in China's Liaoning province, April 2, 2017. In the Northeast Asia Special Region straddling China's border with North Korea, the area around Nanping village is dotted with half-finished buildings, cranes on empty lots, piles of concrete pipes and a few construction workers. What was planned in 2011 as a 30 billion yuan ($4.36 billion) development intended to showcase economic engagement between the two countries has stalled in recent months.No reasons have been given and no announcements have been made in official media. (Photo by Damir Sagolj/Reuters)





A North Korean soldier gestures from the North Korean side of the Yalu River towards a Chinese boat carrying tourists near Sinuiju, North Korea on April 5, 2017. (Photo by Damir Sagolj/Reuters)





A policewoman controls the traffic as people gather near the main Kim Il Sung square in central Pyongyang, North Korea April 11, 2017. (Photo by Damir Sagolj/Reuters)





A man walks the the street decorated with flags as North Korea prepares to mark Saturday's 105th anniversary of the birth of Kim Il-sung, North Korea's founding father and grandfather of the current ruler, in central Pyongyang, North Korea April 12, 2017. (Photo by Damir Sagolj/Reuters)





A man wears a pin with pictures of former North Korean leaders Kim Il-sung and Kim Jong-il in central Pyongyang, North Korea April 12, 2017. (Photo by Damir Sagolj/Reuters)





People practice for the expected parade on the main Kim Il Sung square in central Pyongyang, North Korea April 12, 2017. (Photo by Damir Sagolj/Reuters)





Men work on the pole with lights in central Pyongyang, North Korea April 12, 2017. (Photo by Damir Sagolj/Reuters)





Passengers ride the bus in newly constructed area in central Pyongyang, North Korea April 12, 2017. (Photo by Damir Sagolj/Reuters)





Vehicles travel down a main road which leads towards North Korea's newest residential development, Ryomyong Street, Tuesday, April 11, 2017, in Pyongyang, North Korea. North Korea will mark the 105th anniversary of the birth of the late leader Kim Il Sung on April 15. (Photo by Wong Maye-E/AP Photo)





In this Monday, April 10, 2017, photo, a staff member of the newly renovated Koryo hotel walks across its main lobby in Pyongyang, North Korea. The country's most famous luxury hotel reopened this week after renovations. With its twin towers in the center of the city, the Koryo has for decades been one of Pyongyang's best-known and most visible landmarks. (Photo by Wong Maye-E/AP Photo)





Two women walk outside a dormitory of the Kim Jong-Suk textile mill in Pyongyang February 22, 2017. (Photo by Ed Jones/AFP Photo)





A security guard stands in a courtyard of the Kim Jong-Suk textile mill following a snowfall in Pyongyang, February 22, 2017. (Photo by Ed Jones/AFP Photo)





Sin Ye Suk, 50, a resident of Mirae Scientist Street stands in front of her apartment with fellow residents as they cheer on participants of the Pyongyang marathon on Sunday, April 9, 2017, in Pyongyang, North Korea. (Photo by Wong Maye-E/AP Photo)





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. North Korea marks Kim Jong-Il's February 16 birthday as the “Day of the Shining Star”, although accounts differ as to where and when he was born. (Photo by Ed Jones/AFP Photo)





A woman and two children pose for a photo 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)





This general view shows an apartment building in southern Pyongyang, seen from the landmark Juche tower 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)





A woman watches from a window as competitors run along Mirae Scientists Street during the Pyongyang Marathon in Pyongyang on April 9, 2017. Hundreds of foreigners lined up in Pyongyang's Kim Il-Sung Stadium on April 9 for the city's annual marathon, the highlight of the tourism calendar in isolated North Korea. (Photo by Ed Jones/AFP Photo)





In a photo taken on April 10, 2017 a conductor looks out from a subway car in a metro station in Pyongyang. (Photo by Ed Jones/AFP Photo)





In a photo taken on April 10, 2017 commuters exit a metro station in Pyongyang. (Photo by Ed Jones/AFP Photo)





North Korean men and women leave an assembly area after rehearsals for celebrations ahead of the April 15 “Day of the Sun”, a national holiday marking the birthday of the late Kim Il Sung, leader Kim Jong Un's grandfather and North Korea's “eternal president”, Monday, April 10, 2017, in Pyongyang, North Korea. (Photo by Wong Maye-E/AP Photo)





A race official stops eager participants from crossing the starting line prematurely during the Pyongyang marathon on Sunday, April 9, 2017, in Pyongyang, North Korea. (Photo by Wong Maye-E/AP Photo)





North Korean runners stand at attention during the opening ceremony of the Pyongyang marathon on Sunday, April 9, 2017, in Pyongyang, North Korea. (Photo by Wong Maye-E/AP Photo)





North Koreans watch runners of the Pyongyang marathon from their apartment windows on Sunday, April 9, 2017, in Pyongyang, North Korea. (Photo by Wong Maye-E/AP Photo)





A North Korean military soldier stands on duty while a participant of the Pyongyang marathon runs past a water station on Sunday, April 9, 2017, in Pyongyang, North Korea. (Photo by Wong Maye-E/AP Photo)





A North Korean soldier sits on a bank of the Yalu River just north of Sinuiju, North Korea, April 2, 2017. (Photo by Damir Sagolj/Reuters)





North Koreans walk past Ryomyong Street, the newest residential development on Tuesday, April 11, 2017, in Pyongyang, North Korea. North Korea will mark the 105th anniversary of the birth of late leader Kim Il Sung on April 15. (Photo by Wong Maye-E/AP Photo)





North Korean men walk, some push their bicycles along a highway at the end of a work day Tuesday, April 11, 2017, in Pyongyang, North Korea. (Photo by Wong Maye-E/AP Photo)





North Korean students participate in a mass dance event to mark the occasion of the late North Korean leader Kim Jong Il's election as chairman of the National Defense Committee in 1993, Sunday, April 9, 2017, in Pyongyang, North Korea. Mass dances are usually held to mark important dates and national holidays in the North Korean capital. (Photo by Wong Maye-E/AP Photo)





People carry accessories as North Korea prepares to mark Saturday's 105th anniversary of the birth of Kim Il-sung in Pyongyang, North Korea April 12, 2017. (Photo by Damir Sagolj/Reuters)





A guide talks to foreign reporters as they visit the 170-meter (558-feet) tall Juche Tower in central Pyongyang, North Korea April 12, 2017. (Photo by Damir Sagolj/Reuters)





People sit by the road near the main Kim Il Sung square in central Pyongyang, North Korea April 11, 2017. (Photo by Damir Sagolj/Reuters)





Men ride at the back of a truck in central Pyongyang, North Korea April 11, 2017. (Photo by Damir Sagolj/Reuters)





The sun set in Pyongyang, North Korea April 12, 2017. (Photo by Damir Sagolj/Reuters)





Women wear traditional clothes in Pyongyang, North Korea April 12, 2017. (Photo by Damir Sagolj/Reuters)





People walk in Pyongyang, North Korea April 12, 2017. (Photo by Damir Sagolj/Reuters)





Women wear traditional clothes as North Korea prepares to mark Saturday's 105th anniversary of the birth of Kim Il-sung in Pyongyang, North Korea April 12, 2017. (Photo by Damir Sagolj/Reuters)





Women dressed in traditional costumes walk near the main Kim Il Sung square in central Pyongyang, North Korea April 11, 2017. (Photo by Damir Sagolj/Reuters)





People commute on the banks of Taedong River in central Pyongyang, North Korea April 12, 2017. (Photo by Damir Sagolj/Reuters)





People chat in central Pyongyang, North Korea April 12, 2017. (Photo by Damir Sagolj/Reuters)





People commute in central Pyongyang, North Korea April 12, 2017. (Photo by Damir Sagolj/Reuters)





People sweep in front of statues of former North Korean leaders Kim Il Sung and Kim Jong Il in central Pyongyang, North Korea April 12, 2017. (Photo by Damir Sagolj/Reuters)