Underside is an easy to use, pre-lit, interior night scene that portrays a grungy, damp level of a multi story structure. It is open on three sides to reveal detailed city at night and rain backdrops that are also pre-lit. It comes with 150 texture maps that include Base Colour, Glossiness, Metallic, Specular, Normal, Bump and Emission maps in sizes from 2048 X 2048 to 8192 X 8192. It comes with both 3Delight and Iray versions as well as 6 camera presets.