Graffiti covered support columns carrying I-280 over the tracks, just outside the north portal of tunnel #1, San Francisco.

Shot with the Nikon D70s and the 18-70mm f/3.5-4.5 zoom at 70mm, ISO 1600, f/4.5, shutter 1/250 sec. Cropping, white balance, exposure, and levels adjustments in Aperture.