We veer off the Shimanami Kaido to take a ferry to Okamura island and the start of the Tobishima Kaido, another fantastic string of islands. After lunch, we transfer to Hiroshima for a free afternoon. We stay near the Atomic Bomb Dome and Peace Memorial Park. Hiroshima (??) is the principal city of the Chugoku Region and home to over a million inhabitants. When the first atomic bomb was dropped over Hiroshima on August 6, 1945, the city became known worldwide. The destructive power of the bomb was tremendous and obliterated nearly everything within a two kilometer radius. After the war, great efforts were taken to rebuild the city.