52 7596, a Kriegslok 2-10-0 BR 52 of association Eisenbahnfreunde Zollernbahn (EFZ) is crossing the viaduct "Talübergang Epfenhofen" on the Sauschwänzlebahn.
The 52 of EFZ on one of the tunnel rides in Black Forest. Four sequential horseshoe curve to gain height, a principle that was first applied in this place, furtheron copied in many railroad lines.