One of the many rocks painted by Northwestern students along the lake shore on the Northwestern campus. Credit: Joerg Metzner

One of the many rocks painted by Northwestern students along the lake shore on the Northwestern campus. (Photo by Joerg Metzner)

Joerg Metzner is the creator and photographer behind "Picturing Evanston" (picturing-evanston.com), a community oriented project that grew from his professional photography practice at joerg-metzner.com....