Looking west along north walls of N1 and of N2-3. In foreground Layer 10b of Room 4B (4B) and above Layer 15 of Room 4N (4N) ... AMS Horizontal (normal)
Taken from south. Well in Room 3, showing staple holes in block beside it at west, and gap at west, where corresponding block / ... /. Tile cut hole of floor 2 ... AMS Horizontal (normal)