Here is a public toilet module that I have modeled and textured for a visualization project at work.
Geometry: High-poly version 1.6M polygons. Low-poly version 3.6k polygons.
Textures: Color map and normal map in 4k res.
Public Toilet 1 (High-Poly) 1.6M Triangles
Public Toilet 1 (Low-Poly) 3.6k Triangles
Low-poly version with wireframe view
Color map
Normal map
High-poly version
High-poly version with wireframe view
Reference
Low-Poly
High-Poly