Download Basement And Sewerage Modular Location Free Unity. 

Dark atmospheric location with a beautiful combination of gray concrete and rusty metal. The modular structure allows you to create intricate labyrinths of canals, corridors, and rooms. Designed for first-person projects.

Only two materials are used: for base and props. The materials use PNG maps: albedo, normal map, specular and ambient occlusion .
The maximum map size for the base is 4096×4096, for props 2048×2048. 47 meshes consist of 4K polygons.