(AP Photo/Lee Jin-man) Protesters hold signs during a rally demanding the denuclearization of the Korean Peninsula and peace treaty near the U.S. embassy in Seoul, South Korea, Thursday, March 21, 2019. The Korean Peninsula remains in a technical state of war because the 1950-53 Korean War ended with an armistice, not a peace treaty. More than 20 protesters participated at a rally and also demanding the end the Korean War and to stop the sanction on North Korea. The letters read "Restarting operations at Kaesong industrial complex and Diamond Mountain resort."