Photo by MorBCN, via Flickr

Nice HDR photo — the above is actually three images blended together — taken in Barcelona in 2009.

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.