Mystery building started on site of Panmunjom Mud-walled huts on June 18, 1953 communist workers begin foundation of a large building for which no official explanation has been given, but which many believe was intended for armistice-signing cermonies. In background the present conference B ilsing used for truce talks, and a contingent of North Korean troops. Work has since ceased entirely on the new project. (AP Photo/Sam Summerlin)