hiroshima peace memorial, also called the atomic bomb dome or , is in central hiroshima, japan. it is part of the hiroshima peace memorial park. unesco named the dome a world heritage site in 1996. the dome is the ruined hiroshima prefectural products exhibition hall. it was kept as a memorial to the people who were killed in the atomic bombing of hiroshima on august 6, 1945. the bombing killed 70,000 people instantly, and another 70,000 died later from the radiation.