This Saturday is World Cyanotype Day, when photographers everywhere will celebrate an early photographic technique that reveals images in a striking blue hue. New Orleans photographers are having their very own celebration with a workshop at the Healing Center, presented by PhotoNOLA . Kelley Crawford speaks with two of the workshop’s organizers, Jennifer Shaw and Robert Schaefer, to learn more. Visit ViaNolaVie for a related article written by Kelley Crawford.