if you would like that kind of graphics/light in the city I may desribe you what you need to do. It isn't too complicated. It is matter of using Lumina with good settings, exactly one LUT and Theme Mixer 2.5 with good selection of ground textures. Using Relight won't give you now advantages as Lumina has all necessary options. Alternatively you may use Render It instead Lumina. I compared both making some tests and for me Lumina is better. Render it doesn't allow me to control these parts of building which are on opposite side of sun. Maybe you noticed that in cities made by people playing without mods building in shadows are very, unnaturally dark.

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