a river is 10 feet wide and 10 feet deep and 1 foot tall. a light is 10 feet above the river. a 11 foot wide and 9 foot deep and 1.5 foot tall river is behind the river. it faces left. backdrop is shiny cave. sun is purple. shadow plane is invisible. sky leans to the back. a small person is 1 feet in front of and right of the river. the person faces left.