A North Korean traffic police woman monitors vehicles and pedestrians along a busy street corner on Tuesday, September 27, 2016, in Pyongyang, North Korea. (Photo by Wong Maye-E/AP Photo)





North Koreans react, some smiling as they watch a movie shown on a giant screen in a public square near the Pyongyang train station on Wednesday, September 28, 2016, in Pyongyang, North Korea. (Photo by Wong Maye-E/AP Photo)





A man and child watch a aerial display during the second day of the Wonsan Friendship Air Festival in Wonsan on September 25, 2016. Just weeks after carrying out its fifth nuclear test, North Korea put on an unprecedented civilian and military air force display Saturday at the country's first ever public aviation show. (Photo by Ed Jones/AFP Photo)





A North Korean soldier watches as Hughes MD-500 helicopters perform a fly-by during the first Wonsan Friendship Air Festival in Wonsan on September 24, 2016. (Photo by Ed Jones/AFP Photo)





Parachutists prepare to perform during the second day of the Wonsan Friendship Air Festival in Wonsan on September 25, 2016. (Photo by Ed Jones/AFP Photo)





This photo taken on September 24, 2016 shows Sukhoi SU-25 aircraft performing during the first Wonsan Friendship Air Festival in Wonsan. (Photo by Ed Jones/AFP Photo)





A woman holding an umbrella waits for the start of the first Wonsan Friendship Air Festival in Wonsan on September 24, 2016. (Photo by Ed Jones/AFP Photo)





A spectator poses for photos before a MiG-29 aircraft during the second day of the Wonsan Friendship Air Festival in Wonsan on September 25, 2016. (Photo by Ed Jones/AFP Photo)





North Korean pilots Jo Kyum-Hyang (R) and Rim Sol (L), known in North Korea as the “Flowers of Sky”, pose for photos during the second day of the Wonsan Friendship Air Festival in Wonsan on September 25, 2016. (Photo by Ed Jones/AFP Photo)





Crew members walk beneath an Air Koryo aircraft during the second day of the Wonsan Friendship Air Festival in Wonsan on September 25, 2016. (Photo by Ed Jones/AFP Photo)





A man stands between food and gift stalls at the first Wonsan Friendship Air Festival in Wonsan on September 24, 2016. (Photo by Ed Jones/AFP Photo)





This photo taken on September 24, 2016 shows an Ilyushin Il-76 taxiing during the first Wonsan Friendship Air Festival in Wonsan. (Photo by Ed Jones/AFP Photo)





Spectators walk pass a pilot, as he poses with a Sukhoi aircraft during the second day of the Wonsan Friendship Air Festival in Wonsan on September 25, 2016. (Photo by Ed Jones/AFP Photo)





This photo taken on September 24, 2016 shows an Ilyushin Il-18 taking off during the first Wonsan Friendship Air Festival in Wonsan. (Photo by Ed Jones/AFP Photo)





Spectators watch as a model aircraft performs an aerial display during the second day of the Wonsan Friendship Air Festival in Wonsan on September 25, 2016. (Photo by Ed Jones/AFP Photo)





Spectators cheer as parachutists perform an aerial display during the second day of the Wonsan Friendship Air Festival in Wonsan on September 25, 2016. (Photo by Ed Jones/AFP Photo)





North Korean women stand near portraits of their late leaders Kim Il Sung, left, and Kim Jong Il and wave flags cheering on their fellow countrymen as they start their day during morning rush hour on Wednesday, September 28, 2016, in Pyongyang, North Korea. Women’s League units are out in force these days in front of subway entrances and other strategic locations to dance and wave red flags as loud patriotic music blares from boom boxes. Sometimes they are joined by middle school brass bands in their morning ritual, which is intended to encourage workers to start their day off with more vigor. (Photo by Wong Maye-E/AP Photo)





A North Korean student pauses to study as other people make their way to work during morning rush hour on Wednesday, September 28, 2016, in Pyongyang, North Korea. North Korea’s capital is still a pretty quiet place compared to most urban centers around the world, but it gets its start early, and orderly. (Photo by Wong Maye-E/AP Photo)





North Koreans walk in and out of an underpass leading to a subway station during morning rush hour while seen in the background are portraits of their late leaders Kim Il Sung, left, and Kim Jong Il on Wednesday, September 28, 2016, in Pyongyang, North Korea. (Photo by Wong Maye-E/AP Photo)





North Korean men and women walk towards a subway station during morning rush hour on Wednesday, September 28, 2016, in Pyongyang, North Korea. Rush hour generally hits its peak at about seven in the morning. Pedestrians hustle along the sidewalks or peddle along on the city’s bike lanes, usually narrow strips of sidewalk painted green that started to appear about a year ago, while workers and students who can’t walk or bike to where they need to go load onto the subways and fill the city’s buses and electric streetcars. (Photo by Wong Maye-E/AP Photo)





North Koreans board a bus during morning rush hour on Wednesday, September 28, 2016, in Pyongyang, North Korea. Rush hour generally hits its peak at about seven in the morning. Pedestrians hustle along the sidewalks or peddle along on the city’s bike lanes, usually narrow strips of sidewalk painted green that started to appear about a year ago, while workers and students who can’t walk or bike to where they need to go load onto the subways and fill the city’s buses and electric streetcars. (Photo by Wong Maye-E/AP Photo)





North Korean men are seen in silhouette as they push their bicycles, while a boy makes his way to school in an underpass on Wednesday, September 28, 2016, in Pyongyang, North Korea. (Photo by Wong Maye-E/AP Photo)





An elderly North Korean woman sweeps the side of the road while others make their way at the start of a work day on Wednesday, September 28, 2016, in Pyongyang, North Korea. (Photo by Wong Maye-E/AP Photo)





North Korean students run as they make their way to school during morning rush hour as seen through the wind screen of a car on Wednesday, September 28, 2016, in Pyongyang, North Korea. (Photo by Wong Maye-E/AP Photo)





North Korean school children make their way to school on Wednesday, September 28, 2016, in Pyongyang, North Korea. (Photo by Wong Maye-E/AP Photo)





Visitors wait to enter the Museum of Natural History in Pyongyang on September 28, 2016. (Photo by Ed Jones/AFP Photo)





North Korean women wave flags cheering on their fellow countrymen as they start their day during morning rush hour on Wednesday, September 28, 2016, in Pyongyang, North Korea. Women’s League units are out in force these days in front of subway entrances and other strategic locations to dance and wave red flags as loud patriotic music blares from boom boxes. Sometimes they are joined by middle school brass bands in their morning ritual, which is intended to encourage workers to start their day off with more vigor. (Photo by Wong Maye-E/AP Photo)





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)