Unity Asset Store- https://assetstore.unity.com/packages/3d/environments/buzludzha-hdrp-192412
Unreal Marketplace- https://www.unrealengine.com/marketplace/en-US/product/buzludzha-modular-eastern-european-environment

We did a realistic recreation of an iconic eastern European monument (House of the Bulgarian Communist Party)
In collaboration with https://www.artstation.com/alien_impact
I was a response for the original concept and creating Unity assets, coordinating a team of freelance artists, lighting, materials;

Unreal Engine version:
https://www.artstation.com/artwork/mDROda

Thanks for the freelancers support :
https://www.artstation.com/eshe_kipyatochka
https://www.artstation.com/rainyroadtrip
https://www.artstation.com/strateria