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.
Cavern City -by Danny Weinbaum
source: Artofdanny.blogspot.com
It looks like a painting O_O