Hiroshima Castle was a castle in Hiroshima constructed in the 1590s. The castle was destroyed in the atomic bombing in 1945 and it was rebuilt in 1958. Now Hiroshima Castle serves as a museum of Hiroshima's history prior to World War II. The reconstructed castle features the main tower (tenshu) only. Within the castle walls, three trees are preserved which got survived the atomic bombing. A eucalyptus and a willow tree at approximately 740m and a holly approximately 910m from the hypocenter. Also a concrete bunker from which the first radio broadcast out of Hiroshima following the atomic bombing was made located inside the Honmaru.