From utub: Full captured video from Unigine "Heaven" benchmark in demo mode.

Key features: * Native support of OpenGL, DirectX 9, DirectX 10 and DirectX 11 * Comprehensive use of tessellation technology * Advanced SSAO (screen-space ambient occlusion) * Volumetric cumulonimbus clouds generated by a physically accurate algorithm * Dynamic simulation of changing environment with high physical fidelity * Interactive experience with fly/walk-through modes * ATI Eyefinity support

If you are a gamer, then you will know what that means. Watch in HD for best effect.