"After a long, cold winter, doors finally open, and children spill out like candies from a box. Amanda is the last one out of the apartment building, with a carton of chalk in her hands. On every inch of the pavement outside, the children draw pictures of flowers and trees, mushrooms and snails, and a few very unexpected things. It's a concrete garden. Their creativity, unfettered in the open air, brings something beautiful, something hopeful, to...