The walls and ceiling of this stone room are adorned with vivid carvings of disastrous accidents: women falling off of ladders, men tripping onto hot stoves, and wagons careening sideways into crowds. A simple stone altar at the east end of the room is heaped with a tangle of bones of various shapes and sizes.<br/><br/>Other than these items, nothing immediately jumps out to him as intriguing, but altars are often known for hiding interesting things...