Steam locomotives class 0-10-0 "Er" (most numerous steam locomotive class ever produced) moves with tourist train to Paveletskaya railway station. Tour of the Moscow main railway stations along The Moscow Little Ring Railway ("MOZD"), a ring-shaped railway which encircles the center of the city of Moscow. Today MOZD is being electrified to run regular passenger traffic. The Russian E 0-10-0 class consisted of around 11,000 locomotives, making it the most numerous steam locomotive class ever produced in the World.
