Most likely a factory. This is how half of Romania looked in the 90s, even before I moved to America. I can recognize abandoned factories from ten kilometers away. They built it up in the time of Ceausescu, and then they abandoned everything, sadly. It's good that in my long life I managed to reconstruct one. however, it was no longer in Romania, but in the United States. It seems to be in Arkansas. I don't remember exactly. 15 years have passed. At the first reconstruction, an incident occurred. I, as the main investor, decided to buy not very high-quality scaffolding, well, in general, one employee fell from a height and became disabled for life. Since then, I have been using only high-quality scaffolding from the site:
https://www.free80sarcade.com/donkeykong.php