highly detailed professional render. professional cg artist. dusty, grungy, dirty, abandoned old classroom with desks and chairs, sun rays casting shadows and light onto various glassware and old paraphernalia and chemical substances. soviet, brutalist, artstation, cgsociety, deviantart. octane, maya, 3 dsmax, vray. subsurface scattering, bi - directional path tracing, caustics, hdri, volumetric lighting. 8 k. hdr. blender, cycles, demo scene 