Against a backdrop of spruce trees at the far end of a small beach, a large boulder squats at the edge of the bay. Its top half is dry and pale. The lower half is damp and dirty-bronze. It’s too big to be jostled by the tides. In the foreground of this photo, dozens of smaller stones lie half-buried in sand. Beyond the boulder, a dead spruce has been partially uprooted. Its bare branches look brittle against the other, still upright, lushly-needled trees. From the photo, it’s impossible t...