It doesn't run around a park here. There are three stations located in Kanavinskiy district of Nizhniy Novgorod. It's local narrow railway operated by children under supervision and guidance of adults. Children's Railways are like a teaching and practice for teenagers.
Does it run on a large system in a park? It’s cool that this (and other Children’s Railways) have survived for so long!
Excellent! That's even better than I imagined. Nothing like this ever existed in the US. Thanks for the info!