Cross-section of the Great Pyramid:
1 Original Entrance to the Great Pyramid
2 Al-Ma ʾ mun tunnel (now it is the main access)
3 Connection between Descending and Ascending Corridor
4 Descending Corridor
5 Rock chamber
6 Ascending corridor
  7 Queen's Chamber with "air shafts"
8 Horizontal passage
9 Great Gallery
10 King's Chamber with "air shafts"
11 Corridor to the sarcophagus chamber and blocking stone chamber
12 Air or escape shaft with "cave"