Carlos Hernández de Miguel

The story of the more than nine thousand Spaniards who were interned in the Nazi concentration camps, through the testimony of a group of survivors who tell what life and death were like in Mauthausen, Auschwitz, Buchenwald and Ravensbrück.

In the mountains of Madrid, Spain, a railway track on an abandoned bridge and a poem erased from the wall of a ruined building reveal a deliberately silenced story: the system established by Franco's dictatorship after the civil war (1936-39) that allowed hundreds of companies to use thousands of convicted Republicans as slave labor.