“I’m sure!” Vera pulled Charlie onto the cobblestone bridge. In the center of the bridge, she pointed to a chipped bluestone slab and told Charlie, “This damaged piece was caused by a frightened horse. Its owner was a stonemason who came to deliver two stone sculptures to the new mansion of the chieftain of Stoneridge. The horse had some difficulty crossing this cobblestone bridge, so the stonemason whipped it harshly. The horse got anxious, slipped, almost fell down, and then struggled forward