Recent conflicts have brought the threat of nuclear war to the forefront of many minds. Experts warn that the current geopolitical tensions have likely hardened North Korea's resolve to retain its nuclear capabilities. Against this backdrop, Yuka Royer speaks with Seiichiro Mise, who survived the 1945 atomic bombing of Nagasaki at the age of 10. He shares his story and urges the world to take action towards eliminating nuclear weapons and to "spread the seeds of peace".