Yep, unlit scene with mostly (if not entirely) unique textures so you can paint the lighting directly on to the models. Here's one of my favorite examples, or a more recent example.
There's a lot I think should be changed in this scene. First, if the pink leaves are walling into the water some of them should also be on the rock. The tree itself doesn't look properly rooted into the rock face, like it's just sitting on top instead of dug in. The grass (?) coming off the top of the rock walls don't look…