TCDD Halkali: TCDD 56522 at the Halkali Locomotive Depot. Summer, 1975. At left, a class 45.5 Batignolles 1Dh2. Halkali is at the western edge of Istanbul where trains swapped steam lokomotives for electric lokos until the late 70's, the catenary being visible behind the engines. Photo by Altan Ferendeci http://www.ferendeci.com/trains