It's not something restricted to regions in Romania. Almost all of Eastern Europe is affected at some degree. There are places like [1] in Ukraine or [2] in Central Hungary.

[1] https://upload.wikimedia.org/wikipedia/commons/d/db/%D0%A5%D...

[2] https://cdn.nwmgroups.hu/s/img/i/1801/20180108fulophazi-buck...