Peering in through the window of a caboose at the end of UP work train spotted on the Redwood Harbor industrial lead, Redwood City, California.

Shot with the Nikon D70s and the 18-70mm f/3.5-4.5 zoom at 70mm, ISO 400, f/8, shutter 1/125 sec. Exposure, saturation, and highlights adjustments in Aperture.