Compositionally nice, I also like how the camera has captured very subtle hues. It's soothing to watch, yet it feels like something terrible is going to happen when the tracks are followed to their end.

dA does not allow hotlinking, so host the image elsewhere.

http://www.picaroni.com would be my not-so-unbiased advice.

"Stephen Wolfram is the creator of Mathematica and is widely regarded as the most important innovator in scientific and technical computing today." - Stephen Wolfram