North koreans work in the fields near panmunjom in the demilitarized zone .
北朝鲜人在板门店非军事区附件的田地里干活。
A north korean soldier looks toward the southern side of the demilitarized zone on may 24 .
5月24日，一名北朝鲜战士望着非军事区的南方。
In panmunjom , a north korean military officer pointed at a diagram of the demilitarized zone that separates the two koreas .
在板门店，一名朝鲜军官指着一幅绘有分隔朝韩的非军事区的地形图。
South korean media say u.s. president barack obama is considering a visit to the tense demilitarized zone dividing north and south korea during a scheduled visit to seoul later this month .
But the demilitarized zone between the koreas remained peaceful on monday . And lee asked south koreans to focus on " economic activities " and remain calm .
