This is the site above which the world's first atomic bomb, "Little Boy," dropped by the American B-29 bomber Enola Gay, exploded at 8:15 a.m. on August 6, 1945 (Showa 20). The former Industrial Promotion Hall (now the Atomic Bomb Dome), located approximately 160 meters from the hypocenter, miraculously retained its outer shell and framework, and has been registered as a UNESCO World Heritage Site…

In 1915, the Hiroshima Prefectural Commercial Exhibition Hall was constructed, designed by Czech architect Jan Letzel. Renamed the Hiroshima Prefectural Industrial Promotion Hall in 1921, it served as a regional hub for industrial development. On August 6, 1945, at 8:15 a.m., the U.S. B-29 bomber En…