Two Orenstein & Koppels (left Luttermöller, built 1925, right Mallet, built 1909) on 600 mm gauge during a night shoot at the water tower of the Frankfurter Feldbahnmuseum
A continuously growing album of photos that IMHO reveal the awesome and seldom-seen beauty of the railroad world from the dimming of day to dawn's early light! From dusk to dawn, trains roll on! (I'm still finding gems of sunset-to-sunrise surprises!)