APTOPIX South Korea Koreas Tension

A train runs on the rail, which the two Koreas hope to reconnect as part of an agreement reached at a historic summit of Kim Dae-jung and Kim Jong Il in 2000, in the fog at the Imjingak Pavilion near the border village of Panmunjom, which has separated the two Koreas since the Korean War, in Paju, South Korea, Saturday, Jan. 25, 2014. North Korea on Friday agreed to resume reunions of families separated by the 1950-53 Korean War, the latest in a series of conciliatory gestures from a country that was threatening South Korea and the U.S. with nuclear war almost a year ago.(AP Photo/Ahn Young-joon)