Active steam in Bosnia & Herzegovina

I've just realized, that there are still steam locomotives operating in regular freight trains in Europe (Bosnia).
There is the coal mine in Bukinje, which still operates steam engines which are already 75 years old!!!
Someone made a great video of the local workshop, which supports the service of the locos. I believe it resembles a lot of the work shops which many heritage railways. Their craftmanship is really astonishing:

There they use the famous Kriegslokomotive 52 (current series 33 ex JZ) for the shunting works in the yard: https://en.wikipedia.org/wiki/DRB_Class_52
And one great videos of the current traffic on the branch line near Tuzla:


Besides this place, there is also a narrow gauge railway which still uses the steam locos for daily usage. Not difficult to guess, it is also used in a coal mine.
Here's a video of the current operation:


And finally a excellent video summarizing the antique steam island of Bosnia:

Cheers!