Imperial War Museum display shows survivors alongside younger generations of their families

When Kitty Hart-Moxon, 97, was recently asked to choose one object that symbolised the horrors she survived at the hands of the Nazis in Auschwitz, Belsen, and on death marches, she had no doubts.

A glass container encasing the preserved tattooed numbers she had cut out of her own arm and also that of her mother, Rosa Lola, which she keeps in a cupboard at her home in Harpenden, Hertfordshire, is a shocking, tangible reminder.