Published by DPA Snow lies in front of the House of the Wannsee Conference. On January 20, 1942, high NSDAP and SS officials met in the villa on Berlin’s Wannsee. Annette Riedl/dpa In summer, Deborah Hartmann hears the lifeguard’s announcements at the Wannsee lido from her desk. In winter, there are only the crows above the rippling waves. “It is the ambivalence of this place, unbelievably beautiful and unbelievably tragic,” says Hartmann who runs the House of the Wannsee Conference. “It’s really confusing.” Here in this Berlin villa, Nazi leader Reinhard Heydrich summoned senior Nazi officials to plan the murder...