This short horizontal passage in the Pyramid of Teti (Sixth Dynasty) at Saqqara leads to the king’s burial chamber.
The Pyramid Texts can be seen on the walls on either side of the passage, while stars can be seen on the ceiling. The king’s sarcophagus can be seen at the end of the room.
Pyramid of Teti
The Pyramid complex of Teti is located in the pyramid field at Saqqara, in Egypt. It was originally called Teti’s places are enduring.
The preservation above ground is very poor, and it now resembles a small hill. Below ground the chambers and corridors are very well preserved.
Source and more information: Dr Hawass