Among them are photos and newspaper data proving that the U.S. imperialists, who occupied south Korea after Korea's liberation, deployed all types of artillery pieces and built a shell magazine in the area of Mt. Songak and Manwoltae, the site of the royal palace in the period of Koryo, and perpetrated ceaseless armed provocations. And there are data showing the frantic moves for a new war conducted by the U.S. imperialists in the areas along the Military Demarcation Line after the ceasefire.

Also displayed are the U.S. imperialists' shells and bullets discovered in the north side's portion of the Demilitarized Zone and photos showing bullet marks on the wall of the building of a nursery in Rimhan-ri, Kaesong City, etc.