A man walks past portraits of the late North Korean leaders Kim Il Sung and Kim Jong Il, at the Kim Il Sung Square on Sunday, February 14, 2016, in Pyongyang, North Korea. North Korea launched a rocket Feb. 7, carrying what it said was an Earth observation satellite into space. The U.N. Security Council condemned North Korea's launch of a long-range rocket that world leaders called a banned test of ballistic missile technology and another “intolerable provocation”. The U.N.'s most powerful body pledged to quickly adopt a new resolution with “significant” new sanctions. (Photo by Wong Maye-E/AP Photo)





North Koreans walk down a street in downtown Pyongyang, North Korea on Sunday, February 14, 2016. (Photo by Wong Maye-E/AP Photo)





North Koreans walk along a flooded street on Sunday, February 14, 2016. (Photo by Wong Maye-E/AP Photo)





An North Korean woman crosses the street with her belongings packed in sacks on Sunday, February 14, 2016. (Photo by Wong Maye-E/AP Photo)





Members of North Korean military rest on their bicycles on the banks of Yalu River, in Sakchu county, North Korea, January 7, 2016. (Photo by Jacky Chen/Reuters)





A North Korean woman rests on on the banks of Yalu River, in Sakchu county, North Korea, January 7, 2016. (Photo by Jacky Chen/Reuters)





North Korean soldiers look out from a vehicle as they travel along a street on the banks of Yalu River, in Sakchu county, North Korea, January 7, 2016. (Photo by Jacky Chen/Reuters)





A North Korean soldier reacts as he is pictured in a guard tower on the banks of Yalu River, in Sakchu county, North Korea, January 7, 2016. (Photo by Jacky Chen/Reuters)





North Korean girls walk along an alley on the banks of Yalu River, in Sakchu county, North Korea, January 7, 2016. (Photo by Jacky Chen/Reuters)





People take part in mass rallies held across the country vowing to carry out tasks set forth by North Korean leader Kim Jong Un in this undated photo released by North Korea's Korean Central News Agency (KCNA) in Pyongyang on January 8, 2016. (Photo by Reuters/KCNA)





People take part in mass rallies held across the country vowing to carry out tasks set forth by North Korean leader Kim Jong Un in this undated photo released by North Korea's Korean Central News Agency (KCNA) in Pyongyang on January 8, 2016. (Photo by Reuters/KCNA)





People take part in mass rallies held across the country vowing to carry out tasks set forth by North Korean leader Kim Jong Un in this undated photo released by North Korea's Korean Central News Agency (KCNA) in Pyongyang on January 8, 2016. (Photo by Reuters/KCNA)





People take part in mass rallies held across the country vowing to carry out tasks set forth by North Korean leader Kim Jong Un in this undated photo released by North Korea's Korean Central News Agency (KCNA) in Pyongyang on January 8, 2016. (Photo by Reuters/KCNA)





North Koreans dance to celebrate what the country claims was a "successful hydrogen bomb" test at Kim Il Sung square in Pyongyang, North Korea, in this photo released by Kyodo January 8, 2016. South Korea unleashed a high-decibel propaganda barrage across its border with North Korea on Friday in retaliation for its nuclear test, while the United States called on China to end "business as usual" with its ally. (Photo by Reuters/Kyodo News)





A joint army-civilian meeting for welcoming Juche Korea's first successful H-bomb test took place on Friday in this photo released by North Korea's Korean Central News Agency (KCNA) in Pyongyang on January 8, 2016. (Photo by Reuters/KCNA)





A ferry carrying residents and North Korean soldiers are seen on the Yalu River, on a foggy day near the North Korean town of Sinuiju, opposite the Chinese border city of Dandong, January 9, 2016. (Photo by Jacky Chen/Reuters)





North Korean soldiers are seen on a patrol boat on the Yalu River, near the North Korean town of Sinuiju, opposite the Chinese border city of Dandong, January 9, 2016. (Photo by Jacky Chen/Reuters)





North Korean soldiers look out from a patrol boat on the Yalu River, near the North Korean town of Sinuiju, opposite the Chinese border city of Dandong, January 10, 2016. (Photo by Jacky Chen/Reuters)





North Korean soldiers play volleyball on the banks of the Yalu River, near the North Korean town of Sinuiju, opposite the Chinese border city of Dandong, January 10, 2016. (Photo by Jacky Chen/Reuters)





North Korean collect straws on the Hwanggumpyong Island, located in the middle of the Yalu River, near the North Korean town of Sinuiju, opposite the Chinese border city of Dandong, January 10, 2016. (Photo by Jacky Chen/Reuters)





A deserted boat is seen in front of a building, on the banks of the Yalu River, near the North Korean town of Sinuiju, opposite the Chinese border city of Dandong, January 10, 2016. The characters on the building is partially read, "North Korea's Sun Kim Jung Un". (Photo by Jacky Chen/Reuters)





North Korean children walk past a standing signboard depicting ice hockey in Pyongyang, North Korea, in this undated handout picture. A Canadian man behind a series of trips to North Korea by basketball hall of famer Dennis Rodman is organising an ice hockey tournament that may draw former National Hockey League (NHL) players to the isolated country. (Photo by Michael Spavor/Reuters)





People watch a fireworks display from Kim Il Sung Square as they gather to celebrate a satellite launch in Pyongyang, North Korea, Monday, February 8, 2016. World leaders said the launch violated a U.N. ban on Pyongyang's use of ballistic missile technology. North Korea says the launch of a new Earth observation satellite, the Kwangmyongsong 4, or Shining Star 4, is part of a peaceful space program. (Photo by Jon Chol Jin/AP Photo)





A North Korean school girl looks up from reading her book while walking through a residential area Wednesday, October 14, 2015 in Pyongyang, North Korea. (Photo by Wong Maye-E/AP Photo)





North Korean soldiers parade on Kim Il Sung Square, Saturday, October 10, 2015, in Pyongyang, North Korea. (Photo by Wong Maye-E/AP Photo)





A North Korean man cycles over the Taedong river with the Juche Tower seen in the background on Wednesday, December 2, 2015, in Pyongyang, North Korea. (Photo by Wong Maye-E/AP Photo)





A North Korean traffic police officer directs traffic in a road intersection Thursday, December 3, 2015, in Hyangsan county, North Pyongan, North Korea. (Photo by Wong Maye-E/AP Photo)





A young girl watches a game of volleyball played among North Korean women on the Kim Il Sung Square at the end of a work day on Monday, November 30, 2015, in Pyongyang, North Korea. (Photo by Wong Maye-E/AP Photo)





North Korean women pull a cart up a slope as others cycle and walk on a path next to the Taedong River on Monday, November 30, 2015, in Pyongyang, North Korea. The Taedong River is the second longest river in North Korea. (Photo by Wong Maye-E/AP Photo)





A North Korean traffic police officer mans a street junction on Monday, November 30, 2015, in Pyongyang, North Korea, as residents commute at the end of their work day. (Photo by Wong Maye-E/AP Photo)





North Koreans watch a news broadcast on a video screen outside Pyongyang Railway Station in Pyongyang, North Korea, Wednesday, January 6, 2016. (Photo by Wong Maye-E/AP Photo)





North Korean workers unload bags of cement from a truck on the banks of Yalu River, near the North Korean town of Sinuiju, opposite to the Chinese border city of Dandong, November 6, 2014. (Photo by Jacky Chen/Reuters)





North Korean girls carry firewood on their backs as they walk on the banks of Yalu River, 62 miles from the North Korean town of Sinuiju, opposite the Chinese border city of Dandong, December 16, 2013. (Photo by Jacky Chen/Reuters)





A North Korean soldier kicks a pole along the bank of Yalu River near the North Korean town of Sinuiju, opposite the Chinese border city of Dandong, February 4, 2014. (Photo by Jacky Chen/Reuters)





North Korean soldiers wave along the Yalu River, near the North Korean town of Sinuiju, opposite to the Chinese border city of Dandong October 7, 2014. (Photo by Jacky Chen/Reuters)





North Korean children stand after snowfall along the banks of the Yalu River, near the North Korean Sakchu County, December 17, 2014. (Photo by Jacky Chen/Reuters)





A female North Korean soldier uses her mobile phone next to a sentry on the banks of the Yalu River, near the North Korean town of Sinuiju, opposite the Chinese border city of Dandong June 1, 2014. (Photo by Jacky Chen/Reuters)





A North Korean farmer stretches as he works at a paddy field on the Hwanggumpyong Island, located in the middle of the Yalu River, near the North Korean town of Sinuiju, opposite the Chinese border city of Dandong, June 2, 2014. (Photo by Jacky Chen/Reuters)