south korea, now according to leader kim jong-un who visited recently, shabby and backward. he's pledged to tear the resort down. >> it's the door to north korea. >> reporter: but the south korean governor of this province split in two by the dmz says it is the key to keeping an increasingly fragile peace. >> they are saying they will begin again test of nuclear and intercontinental ballistic missile. so we must have an exit plan. the exit plan is i think the mountain. >> the tours were suspended in 2008 after a south koreale tourist was shot dead by a north korean soldier. pyongyang claimed he had entered an off limits area. at a summit in pyongyang last year, the leaders of north and south korea agreed to resume the tours, and a joint industrial park in the north as soon as conditions were right. kim jong-un announced it to his people and the world in his new year's address, something he