Giza Pyramid
The chamber is lined with fine limestone blocks.
Its eastern wall has a large angular doorway or niche. The true purpose of the chamber remains uncertain.
Unfinished chamber
The "unfinished chamber" lies 27.5 meters below ground level and is rough-hewn, lacking the precision of the other chambers.
Egyptologists suggest the chamber was intended to be the original burial chamber, but that King Khufu later changed his mind and
wanted it to be higher up in the pyramid. Egyptologist Bob Brier believes it was an insurance policy in case Khufu died early.
Sometime around the fifteenth year this chamber was also abandoned unfinished and King's Chamber was built high up in the center
of the pyramid.
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