13 | Růžena Danielová, here in a photo from the 1920s, survived the Auschwitz-Birkenau and Ravensbrück concentration camps. Her husband Martin Daniel and their five children were murdered in Auschwitz-Birkenau. She sang the song ‘Aušvicate hi kher báro’, which expresses the suffering of the Roma in Auschwitz-Birkenau.

Museum of Romani Culture, Brno; photographer unknown