A man passes by a map of the Korean peninsula at the Unification Observation Post near the demilitarized zone between the two Koreas in Paju, north of Seoul, South Korea, Thursday, March 28, 2013. A ... more 
A man passes by a map of the Korean peninsula at the Unification Observation Post near the demilitarized zone between the two Koreas in Paju, north of Seoul, South Korea, Thursday, March 28, 2013. A day after shutting down a key military hotline, Pyongyang instead used indirect communications with Seoul to allow South Koreans to cross the heavily armed border and work at a factory complex that is the last major symbol of inter-Korean cooperation. (AP Photo/Lee Jin-man) less 
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Associated Press | Photo By Lee Jin-man
Fri, Mar 29, 2013 12:44 AM EDT