Another wall with poetry

Here's another bit of poetry from Milwaukee's Delta Center I mentioned yesterday. This moved me especially because I live on a river. I wish I could say the fading light on the wall was planned, but it wasn't.
 

The light fades, fades . . .

It’s gone. Only the river

knows where to find light
now and for one moment
more it has a silver face
to show for all
its centuries of dark thought.

Larry Watson

from: An Evening Along the Wisconsin River