South Korean conservative activists prepare to launch huge balloons containing leaflets and U.S. banknotes during a rally to mark the 60th anniversary of the Korean War at the Imjingak Pavilion in Paju near the border village of Panmunjom at the demilitarized zone that separates the two Koreas since the Korean War, north of Seoul, South Korea, on Thursday, June 24, 2010. (AP Photo/Ahn Young-joon)

Photo by: Ahn Young-joon

South Korean conservative activists prepare to launch huge balloons containing leaflets and U.S. banknotes during a rally to mark the 60th anniversary of the Korean War at the Imjingak Pavilion in Paju near the border village of Panmunjom at the demilitarized zone that separates the two Koreas since the Korean War, north of Seoul, South Korea, on Thursday, June 24, 2010. (AP Photo/Ahn Young-joon)