Streetlight illuminating the stairs down to the platform of the 22nd Street Caltrain station, San Francisco, with Interstate 280 overhead.

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