photo by Girrish Nayyar, via Flickr

Wow — and this photo of a Metro train in London was taken with an iPhone. It was processed using the Colorsplash Pro app to — used to keep  the train red — and the awesome Snapseed app for saturation, drama and the center focus filter.

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.