Remapping Update 3: I’ve built the second scene in my tunnel, which is meant to represent the summer before going to Michigan. I am still experimenting with room size, different colors, different forms of emission, and light mapping. I have a pretty good solution, I just need to figure out how the lower the emission on the blue light. I like how it is coming along so far. 

Example Link: https://www.youtube.com/watch?v=wAIZ36GI4p8