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The three-story building at the Fukuromachi Elementary School houses a charred section of wall preserved behind glass. This structure functioned as a schoolhouse until the atomic bomb detonated over Hiroshima in nineteen forty-five. Survivors gathered here in the immediate aftermath, scratching messages to loved ones onto the scorched plaster with chalk and charcoal. These faint, desperate scrawls remain on the wall, documenting the final attempts of people to find their families while the city burned around them.