He had probably been working for more than two days on the stone.
He put his hand on the cold stone of the building.
Each was set on or near stone and deep in the ground.
He sat down on a big stone, and began to turn things over in his mind.
I sat down on a stone and began to think.
But there was no part of her still on the stone.
It got cold on the stone as the sun went down.
He got most of the way to the top, then put his weight on the wrong stone.
He went back to his place and lay down on the cold stone.
Standing up on the stone, she turned east to study the stars.