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

Steam locomotive Tw12-12 is of Austrian class 80.900, of which 140 were built for Polish railways. It was built in Wien in 1920 and operational until 1967.
Chabówka, 20-06-2024

Photo by Marco van Uden