Original shot, almost 1000 lights but no GI, worked out kinda well i think
Abandoned version, i like the calm mood
The very first animation i ever made. Baked all the lightning, needed 13 GB of memory in the process (had 4)... in all the time spent on that i could have just pressed render and just wait for it to finish ;) Lesson learned.
Cavern
Based on a description in one of the Myst novels (yes, i really like Myst ;)). Bit older but i still like it.