On the left, the sisters Bracha and Katka Berkovic shortly before the outbreak of World War I; on the right, seamstresses recreate the same photo in 2013.COURTESY OF LUCY ADLINGTON A haute couture sewing workshop in the heart of Auschwitz, made up of two dozen highly experienced sets of hands, among the best in their hometowns, some having worked for houses including Chanel. A workshop that produced patches and uniforms for SS women, but also dresses, coats, baby clothes, layettes and even trousseaus for the wives of high-ranking Nazis. A workshop whose workers sewed with threads, needles, fabrics and materials...