A North Korean soldier looks toward South Korea through a pair of binoculars at the border village of Panmunjom in the Demilitarized Zone, which has separated the two Koreas since the Korean War, on Tuesday, April 23, 2013. (AP Photo/Lee Jin-man)

Photo by: Lee Jin-man

A North Korean soldier looks toward South Korea through a pair of binoculars at the border village of Panmunjom in the Demilitarized Zone, which has separated the two Koreas since the Korean War, on Tuesday, April 23, 2013. (AP Photo/Lee Jin-man)