We watched clips from the movie "Rivers and Tides: Working With Time" that shows Andy at work. Several times, his creations are destroyed by the wind or water or an off-balance stone. Andy keeps trying, explaining that each time this happens, he gets to know the material he's using that much better. At one point, Andy watches his art being taken over by the rising tides. His art is ephemeral, changing, part of nature.
We went outside, looking for shades and shapes. And a good place to create. We found all of these, and set to work: