Assertion: pyramid | /r/HasProperty | built over natural mound
Facets:
Source sentences:
text: The pyramid was built over a natural mound and the chambers were created using the "pit and ramp" method, previously used on some mastaba tombs.
text: Several pyramids and sun temples were built over natural mounds; utilising these may have been a way of shortening the actual work required, although the mound may have been symbolic of the primaeval mound of Egyptian creation myths.