PKP - Poland
Open Air Railway Museum in Chabówka. Lots of interesting (mainly steam) locomotives, but unfortunately much lack of maintenance.

Over 400 "Ferrum" locomotives were buit by Fablok from 1961. Only one ended up with PKP, number TKh49-1. It arrived at the museum in 1996.
Chabówka, 20-06-2024

Photo by Marco van Uden