A visitor looks over the North side through the barbed wire fence decorated with messages wishing for the reunification of the two Koreas in Imjingak, South Korea, near the border village of Panmunjom, the demilitarized zone (DMZ) that separates the two Koreas since the Korean War, Thursday, Nov. 12, 2009. North Korea threatened South Korea on Thursday after their first naval skirmish in seven years, as Seoul expressed confidence it can deter any retaliation from its communist neighbor.
(AP Photo/Lee Jin-man)