Welcome to the "CryENGINE 3 Developers" group . The CryENGINE 3 Developers group is all about creating levels, mod, Total modifications, addon's, machinima videos, Indie games, using Sandbox3 for Crysis or using the free standalone CryENGINE 3 SDK tools.
Source: Crydev.net
Is that a heavily-photoshopped view of the forest level? Looks like somebody improved the textures, too...
Nope, all real time in cryengine 3.