No, you're not mistaken - this is a real steam-engine and it 'lives' in Moscow city! I never was so lucky as to see this enigine myself, although heard its siren nearly daily. But thanks to my husband we can have a photo of it now! He took this picture while overpassing the railroad junction on his way to work (that's the place where I photographed the old station house).
Another photo on my extension site.
