https://gamesartist.co.uk/haussmann/
Environment Artist Matthieu Mouthon breaks down the creation of his Haussmannian architecture scene. In this article, he discusses his goals, reference gathering from Paris, modular kit blockout, sculpting ornate details, texturing with masks and grunge layers, material setup, asset presentation, lighting & rendering.
https://www.artstation.com/matthieumouthon
https://www.artstation.com/artwork/eR98dP