![Women walk on a street in the North Korean capital of Pyongyang October 27, 2008. About 50 South Koreans, mostly non-government organization officials, flew to Pyongyang on October 24 on a four-day Women walk on a street in the North Korean capital of Pyongyang October 27, 2008. About 50 South Koreans, mostly non-government organization officials, flew to Pyongyang on October 24 on a four-day](https://c8.alamy.com/comp/2D2220J/women-walk-on-a-street-in-the-north-korean-capital-of-pyongyang-october-27-2008-about-50-south-koreans-mostly-non-government-organization-officials-flew-to-pyongyang-on-october-24-on-a-four-day-trip-for-the-completion-ceremony-of-a-tree-nursery-in-the-norths-capital-which-they-funded-reutersjo-yong-hak-north-korea-2D2220J.jpg)
Women walk on a street in the North Korean capital of Pyongyang October 27, 2008. About 50 South Koreans, mostly non-government organization officials, flew to Pyongyang on October 24 on a four-day
![A man and his daughter walk past models of a North Korean Scud-B missile (1st R) and South Korean missiles at the Korean War Memorial Museum in Seoul May 31, 2009. U.S. A man and his daughter walk past models of a North Korean Scud-B missile (1st R) and South Korean missiles at the Korean War Memorial Museum in Seoul May 31, 2009. U.S.](https://c8.alamy.com/comp/2D19J6M/a-man-and-his-daughter-walk-past-models-of-a-north-korean-scud-b-missile-1st-r-and-south-korean-missiles-at-the-korean-war-memorial-museum-in-seoul-may-31-2009-us-defense-secretary-robert-gates-said-on-saturday-the-united-states-would-not-accept-a-nuclear-armed-north-korea-and-he-warned-pyongyang-against-transferring-nuclear-material-overseas-a-south-korean-newspaper-reported-that-pyongyang-was-preparing-to-move-an-intercontinental-ballistic-missile-from-a-factory-near-the-capital-to-a-launch-site-on-the-east-coast-reutersjo-yong-hak-south-korea-politics-military-2D19J6M.jpg)
A man and his daughter walk past models of a North Korean Scud-B missile (1st R) and South Korean missiles at the Korean War Memorial Museum in Seoul May 31, 2009. U.S.
![Park Sang-hak, a North Korean defector and chairman of Fighters for Free North Korea, prepares to release a helium balloon attached with bags containing anti-Pyongyang propaganda leaflets at a mountain in Gimpo, Park Sang-hak, a North Korean defector and chairman of Fighters for Free North Korea, prepares to release a helium balloon attached with bags containing anti-Pyongyang propaganda leaflets at a mountain in Gimpo,](https://c8.alamy.com/comp/2E7A79R/park-sang-hak-a-north-korean-defector-and-chairman-of-fighters-for-free-north-korea-prepares-to-release-a-helium-balloon-attached-with-bags-containing-anti-pyongyang-propaganda-leaflets-at-a-mountain-in-gimpo-west-of-seoul-near-the-border-with-the-north-november-20-2008-south-korean-activists-have-sent-about-100000-leaflets-towards-north-korea-the-south-korean-government-has-asked-them-to-stop-sending-the-leaflets-reutersjo-yong-hak-south-korea-2E7A79R.jpg)
Park Sang-hak, a North Korean defector and chairman of Fighters for Free North Korea, prepares to release a helium balloon attached with bags containing anti-Pyongyang propaganda leaflets at a mountain in Gimpo,
![Park Sang-hak: The man trying to liberate North Korea using balloons | The Independent | The Independent Park Sang-hak: The man trying to liberate North Korea using balloons | The Independent | The Independent](https://static.independent.co.uk/s3fs-public/thumbnails/image/2011/09/16/19/647924.jpg?quality=75&width=982&height=726&auto=webp)