I quickly relit the Forest sample environment for GDC 2011. It features CryEngine 3.3, and real-time global illumination.

Credits

Pierre-Yves Donzallaz (Lighting Artist: lighting and capture)

Additional Art

Tom Deerberg (Vegetation Artist)
Tim Bergholz, Sylvain Bouland, Ron Frölich, Ronny Muehle & Martin Teichmann (3D Artists)