Photo by inc1979, via tumblr

Nice photo of the tunnel under the tracks at L.A. Union Station. The photo was taken with a Canon EOS 10D — a DSLR — with a shutter speed of three seconds, aperture of f/22 and 100 ISO.

To submit a photo for the Art of Transit, post it to Metro’s Flickr group, email it to sourcemetro@gmail.com or Tweet it to @metrolosangeles with an #artoftransit hashtag. Many of the photos we’ve featured can be seen in these galleries on Flickr.