Dr Sam Axelrad took them home as a reminder that when a badly injured North Vietnamese soldier was brought to him, he did the right thing and treated him. The bones sat in a cupboard for decades, and when he finally pulled them out two years ago, he wondered about their true owner, Nguyen Quang Hung.

Arms reunited: Dr Sam Axelrad met with Nguyen Quang Hung to return the bones of his amputated arm, 47 years after the doctor took them home as a wartime memento. Pic/AFP