I was on a bridge over a small creek in Pleasant Hill almost underneath Highway 680 at Chilpancingo Blvd. The light ahead was red and I caught, out of the corner of my eye, a swirling movement in the creek. I looked more carefully but the light changed and I started to go but thought, “Anything that large in a ditch in this neighborhood has got to be interesting.” So I pulled into a gas station, dragged my camera out of my purse and this is what I saw;