Architectural Night in SF: Concrete Street Under Artificial Light

This is an image of a dark tunnel in San Francisco. The architecture of the tunnel features concrete walls and ceilings, with a monochrome color palette. The road is made of asphalt and is lined with street lights, providing artificial light in the tunnel. The overall space is dimly lit, giving a mysterious and atmospheric feel. This photo represents the infrastructure of San Francisco at night, with a focus on the concrete street and the artificial light provided by the street lights.