It's been over six decades since the Korean Demilitarized Zone (DMZ) was established, creating a buffer zone between North and South Korea that's often referred to as the world's most tense border.
원문출처 : http://edition.cnn.com/2015/01/27/travel/south-korea-dmz-eco-park/index.html?eref=edition
원문출처 : http://edition.cnn.com/2015/01/27/travel/south-korea-dmz-eco-park/index.html?eref=edition