Though I have a slight fear of tunnels, when fully lit they do have an appealing aesthetic.  There's a certain rush never seeing the end, as you shoot down a nauseating vortex at high speed with a blurred trail of lights passing by.  For "Derivation" I obviously layered and treated the photo above to add a more intense representation of heading into a perplexing abyss and perhaps a way to illustrate a Lorentz transformation of space time.