A cleaner rides a cart in front of an exhibit depicting the 1953 cease-fire agreement of the Korean War at the Korea War Memorial Museum in Seoul, South Korea, Wednesday, March 6, 2013. North Korea's military is vowing to cancel the 1953 cease-fire that ended the Korean War, straining already frayed ties between Washington and Pyongyang as the United Nations moves to impose punishing sanctions over the North's recent nuclear test. (AP Photo/Lee Jin-man)
{}