Plate 321. I7, looking north. The passage runs two paces to a wall. An opening to the left.Plate 322. I7, looking east. A wall, close enough to touch. An opening to the left.Plate 323. I7, looking south. A wall, close enough to touch. An opening to the right.Plate 324. I7, looking west. The passage runs six paces to a wall. An opening to the right.