A Bomb dome, Hiroshima City, Japan The Hiroshima Peace Memorial Genbaku Dome was the only structure left standing in the area where the first atomic bomb exploded on 6 August 1945 Through the efforts of many people, including those of the city of Hirosh. A Bomb dome, Hiroshima City, Japan The Hiroshima Peace Memorial Genbaku Dome was the only structure left standing in the area where the first atomic bomb exploded on 6 August 1945 Through the efforts of many people, including those of the ci