@1110101010101 For any foreigners stumbling to this thread - this is an iconic building of Constanța, sort of like the Sydney Opera House. Luckily, renovation works are already ongoing, and the building currently looks like this. The works are scheduled to be completed in 2024 and the building reopened to the public, hopefully.
Edit: also a fun fact - In the walls of it, the workers found a note written on a piece of cement bag belonging to the political prisoners who previously repaired it in the 1950s: