To the west, inside the Joint Security Area that is the heart of the DMZ, a tense quiet hangs over the area that divides North from South.

NPR: NKorean Soldiers Put Down Arms To Help Plant Crops

Since the end of the war, only a few people have crossed the line at Panmunjom, the so-called joint-security area and the only place where barbed wire and mines are absent.

CNN: ASIANOW - TIME Asia | Korea: Korea's Big Show

They valued the joint efforts made by both countries in this area, and decided to deepen cooperation on clean energy, energy security, economic growth, and climate change.

WHITEHOUSE: President Obama on the United States and Latin America