 And they pounded these obelisks out. They were pounded out by probably prisoners, dropping this dolerite ball that weighs about 16 pounds. It looks a little bit like a small, dense bowling ball. And they would line up along this line drawn by the Overseer of the Works and start pounding out this obelisk from the quarry. And, you know, with dust flying, there would be probably somebody beating a drum, dropping the ball in unison. But it was an incredible thing to pound these things out of a quarry.