On August 6, 1945, at exactly 8:15 AM, the Japanese city of Hiroshima faced unprecedented devastation when the United States dropped an atomic bomb named "Little Boy." The bomb exploded approximately 600 meters above the ground, releasing a fireball with temperatures exceeding one million degrees Celsius. In just a few seconds, nearly everything within a 1.6-kilometer radius was completely destroyed. Buildings were flattened, fires ignited across the city, and tens of thousands of people were in