. >> what they found was her lunch box with carbonized rice inside. >> a crucifix, frozen in time. reminders of the exact moment when the atomic bomb detonated. >> a b29 dropped it's atomic death, equivalent to 40,000 tons of tnt. >> 70,000 people lost their lives instantly. >> it was children and old people, not soldiers. the reality of modern warfare, and an indiscriminate weapon like the atomic bomb. >> his response to the controversy around the smithsonian's anniversary of the bombing. critics over the display of the inola gay, and other artifacts of the suffering there, were too sympathetic to the japanese. >> this was what we had to do, to drop the bomb, it's a total myth. he and other historians contend that it was the soviet union's entry in the war that led japan to finally surrender. >> let us pray that peace can now be restored to the world. >> this room is filled with very historical works. what are these exactly? >> these are -- >> they arrived in hiroshima days after the blast and witnessed the devastation firsthand. they spent decades creating these haunting works, n