After a moment he walked to a flat rock and sat down.
He took a seat on a flat rock for a moment to consider his next move.
You'll see a large flat rock at the left end of the trailer.
We sat down on a fairly flat rock and looked around.
About a foot down, he came to another line of flat rocks.
They found a flat rock for him to sit on.
On a flat rock just at the side of the pool he saw her eyes again, and the black hair.
He sat down on a flat rock and closed his eyes.
At the far end, Pete was standing on a big flat rock.
At the edge of the flat rock she sat and thought.