"I don't compose pictures, I find them in the colors, patterns, and shadows of the trees in front of me. While I walk, I let my feelings well up in my consciousness. My feelings guide me to find what I'm seeing and feeling and distill it into a picture." A beloved and popular Illinois institution, The Morton Arboretum welcomes one million annual visitors to walk its trails and view the 4,200 tree species on the grounds. Peter Vagt has photographed...