This is the model and PBR shading for the Seoul City generator, developed for R:Racing, a game created by Valeo and Holoride for Renault’s electric car. https://www.valeo.com/en/valeo-xr-gaming-enters-series-production-with-renault-koreas-new-filante/
This asset doesn’t use glass geometry or transparent shaders, and only 15,000 police blocks, So this aproatch aloude to run large city blocks perfectly, even on mobile processors.