August 6 will mark 80 years since the US dropped an atomic bomb on the Japanese city of Hiroshima. Little Boy, as the bomb was nicknamed, killed 80,000 people instantly. By the end of the year, the death toll had risen to 140,000. What has become of the last survivors? How was the city of Hiroshima able to rebuild itself and transform from a city devastated by nuclear weapons to a centre of peace? FRANCE 24's Mélodie Sforza, Aruna Popuri, Makiko Kobayashi and Justin McCurry report.