Drainage culvert under the former Western Pacific (now Union Pacific) tracks along the Feather River, near Graeagle, California.

Shot with the Nikon D70s and the 18-70mm f/3.5-4.5 zoom at 62mm, ISO 200, f/4.5, shutter 1/30 sec. Levels, highlights, shadows, and color adjustments in Aperture.