Just doodling around with some basic procedural modeling and texturing, because my skills suck and I am lazy.
Also I' just started with Blender and my modeling-skills are... nonexistent. So I played around with so e basic forms and colors to learn blender and get used to the workflow. A lot of YT-videos with blender 2.8 tutorials waiting to be seen in my watchlist.
Anyway, this image of "circuit city" had only a bumpmap for height informations, no normalmap or microdisplacement was used (because at this time I had no idea, adaptive subdivisions exist in blender...)
The bumpmapping looks great in blender (if you are willing to increase the samples and wait for hours for a UHD redering.