When people talk about survival stories, they usually talk about impossible escapes. A man trapped beneath the snow for days. A sailor lost at sea. A passenger walking away from a plane crash. But there is one story so unbelievable that, if it were not documented in history, it would sound like fiction. A man who survived the deadliest weapon ever used in war, twice. Not once. Twice. This is the true story of Sutomu Yamagoochi, the man who survived both atomic bombings of Japan, and what makes h