Restaurant diners watch a broadcast of the 7th Congress of the Workers' Party of Korea on local television, where North Korean leader Kim Jong Un is seen delivering a speech on Friday, May 6, 2016, in Pyongyang, North Korea. (Photo by Wong Maye-E/AP Photo)





The portraits of the late North Korean leaders Kim Il Sung and Kim Jong Il are illuminated on the side of a building on Friday, May 6, 2016, in Pyongyang, North Korea. (Photo by Wong Maye-E/AP Photo)





A North Korean traffic police woman stands in front of Workers' Party flags decorating the streets on Friday, May 6, 2016, in Pyongyang, North Korea. (Photo by Wong Maye-E/AP Photo)





North Koreans watch from a bus stop as vehicles ferrying foreign media stop at a road junction on Friday, May 6, 2016, in Pyongyang, North Korea. (Photo by Wong Maye-E/AP Photo)





A woman walks past a store where the streets in front of it is decorated with flags on Friday, May 6, 2016, in Pyongyang, North Korea. (Photo by Wong Maye-E/AP Photo)





A North Korean fishes on the Yalu River in Sinuiju, opposite the Chinese border city of Dandong, Liaoning province, May 1, 2016. Picture taken from China's side of the Yalu. (Photo by Jacky Chen/Reuters)





North Korean tourists wave during their tour on the Yalu River in Sinuiju, near the Chinese border city of Dandong, May 1, 2016. Picture taken from China's side of the Yalu. (Photo by Jacky Chen/Reuters)





A North Korean soldier looks through binoculars on the Yalu River in Sinuiju, opposite the Chinese border city of Dandong, May 1, 2016. Picture taken from China's side of the Yalu. (Photo by Jacky Chen/Reuters)





North Korean soldiers patrol along the bank of the Yalu River in Sinuiju, opposite the Chinese border city of Dandong, May 1, 2016. Picture taken from China's side of the Yalu. (Photo by Jacky Chen/Reuters)





A man smokes a cigarette outside the airport in Pyongyang, North Korea May 3, 2016. (Photo by Damir Sagolj/Reuters)





A vendor waits for customers at the shop inside the international airport in Pyongyang, North Korea May 3, 2016. (Photo by Damir Sagolj/Reuters)





A vendor waits for customers at the shop inside the international airport in Pyongyang, North Korea May 3, 2016. (Photo by Damir Sagolj/Reuters)





Staff push trolleys in the rain outside the international airport in Pyongyang, North Korea May 3, 2016. (Photo by Damir Sagolj/Reuters)





A remote control is placed on the table in a restaurant in Pyongyang, North Korea May 3, 2016. (Photo by Damir Sagolj/Reuters)





People cross the street in central Pyongyang, North Korea May 4, 2016. (Photo by Damir Sagolj/Reuters)





People work in a field just outside Pyongyang, North Korea May 4, 2016. (Photo by Damir Sagolj/Reuters)





A woman takes notes while others pass around her in central Pyongyang, North Korea May 4, 2016. (Photo by Damir Sagolj/Reuters)





A woman carries flowers as she crosses the street in central Pyongyang, North Korea May 4, 2016. (Photo by Damir Sagolj/Reuters)





Women work at Jangchon Vegetable Co-op farm during a government organised visit for reporters just outside Pyongyang, North Korea May 4, 2016. (Photo by Damir Sagolj/Reuters)





People work in a field just outside Pyongyang, North Korea May 4, 2016. (Photo by Damir Sagolj/Reuters)





A woman pushes her bicycle at Jangchon Vegetable Co-op farm just outside Pyongyang, North Korea May 4, 2016. (Photo by Damir Sagolj/Reuters)





A man looks from inside a house at Jangchon Vegetable Co-op farm during a government organised visit for foreign reporters just outside Pyongyang, North Korea May 4, 2016. (Photo by Damir Sagolj/Reuters)





A man paints a solar street lamp in suburbs of Pyongyang, North Korea May 4, 2016. (Photo by Damir Sagolj/Reuters)





A man paints a solar street lamp in suburbs of Pyongyang, North Korea May 4, 2016. (Photo by Damir Sagolj/Reuters)





People work in a field just outside Pyongyang, North Korea May 4, 2016. (Photo by Damir Sagolj/Reuters)





People pass in front of large posters placed in central Pyongyang, North Korea May 4, 2016. (Photo by Damir Sagolj/Reuters)





People travel on a tram in central Pyongyang, North Korea May 4, 2016. (Photo by Damir Sagolj/Reuters)





A man reaches for one of the flags of the Workers' Party of Korea (WPK) placed in central Pyongyang, North Korea May 4, 2016. (Photo by Damir Sagolj/Reuters)





People travel on a tram in central Pyongyang, North Korea May 4, 2016. (Photo by Damir Sagolj/Reuters)





Strong wind blows as girls practice dancing with red flags in central Pyongyang, North Korea May 4, 2016. (Photo by Damir Sagolj/Reuters)





A guide wearing a traditional dress walks in front of visitors at the Arch of Triumph in Pyongyang, North Korea May 4, 2016. (Photo by Damir Sagolj/Reuters)





Children wearing red scarfs walk in front of a department store in central Pyongyang, North Korea May 4, 2016. (Photo by Damir Sagolj/Reuters)





Labourers work on a construction site in central Pyongyang, North Korea May 4, 2016. (Photo by Damir Sagolj/Reuters)





A guide wearing a traditional dress speaks to visitors at the Arch of Triumph in Pyongyang, North Korea May 4, 2016. (Photo by Damir Sagolj/Reuters)





People travel on a tram in central Pyongyang, North Korea May 4, 2016. (Photo by Damir Sagolj/Reuters)





A woman walks near flags of the Workers' Party of Korea (WPK) placed in central Pyongyang, North Korea May 4, 2016. (Photo by Damir Sagolj/Reuters)





The manager of the Jangchon Vegetable Co-op farm is silhouetted in front of pictures of former North Korean leaders Kim Il Sung and Kim Jong Il as he speaks to foreign reporters visiting just outside Pyongyang, North Korea May 4, 2016. (Photo by Damir Sagolj/Reuters)





Students cross a bridge in central Pyongyang, North Korea May 4, 2016. (Photo by Damir Sagolj/Reuters)





Women wearing traditional dresses walk into an underground crossing in central Pyongyang, North Korea May 4, 2016. (Photo by Damir Sagolj/Reuters)





A boy holds an ice cream in central Pyongyang, North Korea May 4, 2016. (Photo by Damir Sagolj/Reuters)





The 105-storey Ryugyong Hotel, the highest building under construction in North Korea, is seen behind residential building in Pyongyang, North Korea May 5, 2016. (Photo by Damir Sagolj/Reuters)





People exercise on the banks of Taedong River Pyongyang, North Korea early May 5, 2016. (Photo by Damir Sagolj/Reuters)





A guide wears a pin with pictures of former North Korean leaders Kim Il Sung and Kim Jong Il as she talks to foreign reporters visiting Pyongyang, North Korea May 5, 2016. (Photo by Damir Sagolj/Reuters)





People wait for a bus in central Pyongyang, North Korea May 4, 2016. (Photo by Damir Sagolj/Reuters)





People walk against strong wind outside a department store in central Pyongyang, North Korea May 4, 2016. (Photo by Damir Sagolj/Reuters)





People work on the roof of a building in central Pyongyang, North Korea May 5, 2016. (Photo by Damir Sagolj/Reuters)





Taxis are parked outside a department store in central Pyongyang, North Korea May 4, 2016. (Photo by Damir Sagolj/Reuters)





A man walks in front of decoration near the venue of a ruling party congress in Pyongyang, North Korea May 6, 2016. (Photo by Damir Sagolj/Reuters)





People walk on a road near the venue of a ruling party congress in Pyongyang, North Korea May 6, 2016. (Photo by Damir Sagolj/Reuters)





A security guard holds an umbrella at the venue of a ruling party congress in Pyongyang, North Korea May 6, 2016. (Photo by Damir Sagolj/Reuters)





People walk near the venue of a ruling party congress in Pyongyang, North Korea May 6, 2016. (Photo by Damir Sagolj/Reuters)





People commute near April 25 House of Culture, the venue of Workers' Party of Korea (WPK) congress in Pyongyang, North Korea May 6, 2016. (Photo by Damir Sagolj/Reuters)





People walk behind party flags placed near April 25 House of Culture, the venue of Workers' Party of Korea (WPK) congress in Pyongyang, North Korea May 6, 2016. (Photo by Damir Sagolj/Reuters)





A policeman controls the traffic in front of April 25 House of Culture, the venue of Workers' Party of Korea (WPK) congress in Pyongyang, North Korea May 6, 2016. (Photo by Damir Sagolj/Reuters)





A policewoman controls the traffic near the venue of the Workers' Party of Korea (WPK) congress in Pyongyang, North Korea May 6, 2016. (Photo by Damir Sagolj/Reuters)





A man passes in front of decoration placed near the April 25 House of Culture, venue of the Workers' Party of Korea (WPK) congress in Pyongyang, North Korea May 6, 2016. (Photo by Damir Sagolj/Reuters)





A policeman controls the traffic in front of the April 25 House of Culture, venue of the Workers' Party of Korea (WPK) congress in Pyongyang, North Korea May 6, 2016. (Photo by Damir Sagolj/Reuters)





People walk behind party flags placed near the April 25 House of Culture, venue of the Workers' Party of Korea (WPK) congress in Pyongyang, North Korea May 6, 2016. (Photo by Damir Sagolj/Reuters)





A woman passes decoration placed near April 25 House of Culture, the venue of the Workers' Party of Korea (WPK) congress in Pyongyang, North Korea May 6, 2016. (Photo by Damir Sagolj/Reuters)





Schoolchildren wear badges with pictures of former North Korean leaders Kim Il Sung and Kim Jong Il near April 25 House of Culture, the venue of Workers' Party of Korea (WPK) congress in Pyongyang, North Korea May 6, 2016. (Photo by Damir Sagolj/Reuters)





A woman looks towards foreign reporters working near April 25 House of Culture, the venue of the Workers' Party of Korea (WPK) congress in Pyongyang, North Korea May 6, 2016. (Photo by Damir Sagolj/Reuters)





People walk in front of a banner announcing Workers' Party of Korea (WPK) congress placed near April 25 House of Culture, the venue of the congress in Pyongyang, North Korea May 6, 2016. (Photo by Damir Sagolj/Reuters)





A woman walks in front of a banner announcing Workers' Party of Korea (WPK) congress placed near April 25 House of Culture, the venue of the congress in Pyongyang, North Korea May 6, 2016. (Photo by Damir Sagolj/Reuters)





People walk in the rain near April 25 House of Culture, the venue of Workers' Party of Korea (WPK) congress in Pyongyang, North Korea May 6, 2016. (Photo by Damir Sagolj/Reuters)





People look towards foreign reporters working near April 25 House of Culture, the venue of the Workers' Party of Korea (WPK) congress in Pyongyang, North Korea May 6, 2016. (Photo by Damir Sagolj/Reuters)





A policemen controls the traffic near the venue of Workers' Party of Korea (WPK) congress in Pyongyang, North Korea May 6, 2016. (Photo by Damir Sagolj/Reuters)





Pictures of former North Korean leaders Kim Il Sung and Kim Jong Il decorate April 25 House of Culture, the venue of Workers' Party of Korea (WPK) congress in Pyongyang, North Korea May 6, 2016. (Photo by Damir Sagolj/Reuters)





Solar panels are seen installed on a residential building in central Pyongyang, North Korea May 6, 2016. (Photo by Damir Sagolj/Reuters)





People walk past an electric bicycle in Pyongyang, North Korea May 6, 2016. (Photo by Damir Sagolj/Reuters)





A man pushes an electric bicycle over the bridge in Pyongyang, North Korea May 6, 2016. (Photo by Damir Sagolj/Reuters)





A worker sits in a booth as foreign reporters film on a government organised tour to the Pyongyang 326 Electric Cable Factory in Pyongyang, North Korea May 6, 2016. (Photo by Damir Sagolj/Reuters)