This I elaborate on in my book, Forgotten Civilization: The Role of Solar Outbursts in Our Past and Future.
2) Much heavier surface erosion occurs on the western end of the Sphinx Enclosure, tapering off dramatically toward the eastern end.
In fact, the Sphinx may not have originally been a sphinx at all.
Perhaps it was a lion – actually the latest evidence suggests it was originally a lioness. The southern wall of the Sphinx Enclosure showing water (via rainfall) erosion.
For what it is worth, some have suggested to me that this may be a "Hall of Records" (at the time I was not aware of Edgar Cayce's predictions along these lines).
Additionally, we found some lesser (and previously known) cavities under and around the Sphinx, and the data also indicates that there may be a tunnel-like feature running the length of the body.