This is an example of environment concept art for a game. This is concept art for Batman : Arkham Asylum. I really like the look of this concept art because it places you in the perspective of the enemies rather than Batman.
"Dark Knight Rises by David Sharp, via Behance. -- like a reverse bat signal, Gordon knows Batman is out because he scares the bats out of the cave and Gordon sees them against the moon? If not in this story, in another one.