A North Korean military guard post is seen near the border village of Panmunjom, which has separated the two Koreas since the Korean War, in Paju, north of Seoul, on Sunday, April 7, 2013. (AP Photo/Lee Jin-man)

Photo by: Lee Jin-man

A North Korean military guard post is seen near the border village of Panmunjom, which has separated the two Koreas since the Korean War, in Paju, north of Seoul, on Sunday, April 7, 2013. (AP Photo/Lee Jin-man)