Assertion: pyramid | /r/HasProperty | lehner
Facets:
Source sentences:
text: At this time Sneferu was apparently experimenting with ways of constructing a burial chamber in the superstructure of the pyramid (Lehner 98).
text: Once thought to belong to Queen Hetepheres I, King Khufu's mother, in terms of evolutionary development the cult pyramid serves as a significant transitional monument between earlier pyramids and the pyramid of Khufu (Lehner 103).