A South Korean army soldier walks by a sign showing the distance to North Korean capital Pyongyang and that for South's capital Seoul from Imjingang Station near the border village of Panmunjom in Paju, South Korea, Thursday, Feb. 14, 2013. (AP Photo/Ahn Young-joon)

Photo by: Ahn Young-joon

A South Korean army soldier walks by a sign showing the distance to North Korean capital Pyongyang and that for South's capital Seoul from Imjingang Station near the border village of Panmunjom in Paju, South Korea, Thursday, Feb. 14, 2013. (AP Photo/Ahn Young-joon)