Robert Adams, Berthoud, Colorado, 1976. Yale University Art Gallery Purchased with a gift from Saundra B. Lane, a grant from the Trellis Fund, and the Janet and Simeon Braguin Fund This is a response by Mark Kalan to February 2015 Tree with Shadow I've always been fascinated by the shade and shadows of trees especially those cast upon walls. Walls are very significant, they keep things in and out. I wonder what is behind them. I know what is in front of them. Mark Kalan Share on Facebook Tweet Share on Tumblr